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2222342320 = 245112525389
BaseRepresentation
bin1000010001110110…
…0100000010110000
312201212201200112211
42010131210002300
514022404423240
61004304301504
7106033412062
oct20435440260
95655650484
102222342320
11a404aa750
12520311894
13295554c73
14171215732
15d0181bea
hex847640b0

2222342320 has 40 divisors (see below), whose sum is σ = 5636670480. Its totient is φ = 808124160.

The previous prime is 2222342303. The next prime is 2222342327. The reversal of 2222342320 is 232432222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2222342291 and 2222342300.

It is not an unprimeable number, because it can be changed into a prime (2222342327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261815 + ... + 1263574.

It is an arithmetic number, because the mean of its divisors is an integer number (140916762).

Almost surely, 22222342320 is an apocalyptic number.

2222342320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222342320 is an abundant number, since it is smaller than the sum of its proper divisors (3414328160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222342320 is a wasteful number, since it uses less digits than its factorization.

2222342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525413 (or 2525407 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2222342320 is about 47141.7258911890. The cubic root of 2222342320 is about 1304.9793883113.

Adding to 2222342320 its reverse (232432222), we get a palindrome (2454774542).

The spelling of 2222342320 in words is "two billion, two hundred twenty-two million, three hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 2525389 5050778 10101556 12626945 20203112 25253890 27779279 40406224 50507780 55558558 101015560 111117116 138896395 202031120 222234232 277792790 444468464 555585580 1111171160 2222342320