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2222022140 = 225132657403
BaseRepresentation
bin1000010001110001…
…0101110111111100
312201212010102100022
42010130111313330
514022314202030
61004253351312
7106030606442
oct20434256774
95655112308
102222022140
11a40301138
12520198538
13295472300
14171170b92
15d011bde5
hex84715dfc

2222022140 has 36 divisors (see below), whose sum is σ = 5052807144. Its totient is φ = 820437696.

The previous prime is 2222022139. The next prime is 2222022163. The reversal of 2222022140 is 412202222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325322 + ... + 332081.

It is an arithmetic number, because the mean of its divisors is an integer number (140355754).

Almost surely, 22222022140 is an apocalyptic number.

2222022140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222022140 is an abundant number, since it is smaller than the sum of its proper divisors (2830785004).

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

2222022140 is a wasteful number, since it uses less digits than its factorization.

2222022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657438 (or 657423 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2222022140 is about 47138.3298388901. The cubic root of 2222022140 is about 1304.9167144433.

Adding to 2222022140 its reverse (412202222), we get a palindrome (2634224362).

The spelling of 2222022140 in words is "two billion, two hundred twenty-two million, twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 657403 1314806 2629612 3287015 6574030 8546239 13148060 17092478 34184956 42731195 85462390 111101107 170924780 222202214 444404428 555505535 1111011070 2222022140