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2222342140 = 2251091019423
BaseRepresentation
bin1000010001110110…
…0011111111111100
312201212201200022011
42010131203333330
514022404422030
61004304301004
7106033411414
oct20435437774
95655650264
102222342140
11a404aa5a7
12520311764
13295554b65
14171215644
15d0181b2a
hex84763ffc

2222342140 has 24 divisors (see below), whose sum is σ = 4709738880. Its totient is φ = 880780608.

The previous prime is 2222342069. The next prime is 2222342159. The reversal of 2222342140 is 412432222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507532 + ... + 511891.

It is an arithmetic number, because the mean of its divisors is an integer number (196239120).

Almost surely, 22222342140 is an apocalyptic number.

2222342140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222342140 is an abundant number, since it is smaller than the sum of its proper divisors (2487396740).

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

2222342140 is a wasteful number, since it uses less digits than its factorization.

2222342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019541 (or 1019539 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2222342140 is about 47141.7239820522. The cubic root of 2222342140 is about 1304.9793530788.

Adding to 2222342140 its reverse (412432222), we get a palindrome (2634774362).

The spelling of 2222342140 in words is "two billion, two hundred twenty-two million, three hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 1019423 2038846 4077692 5097115 10194230 20388460 111117107 222234214 444468428 555585535 1111171070 2222342140