22151522312 has 64 divisors (see below), whose sum is σ = 43793447040. Its totient is φ = 10493683200.

The previous prime is 22151522299. The next prime is 22151522317. The reversal of 22151522312 is 21322515122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22151522317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553198 + ... + 1567394.

It is an arithmetic number, because the mean of its divisors is an integer number (684272610).

Almost surely, 2^22151522312 is an apocalyptic number.

It is an amenable number.

22151522312 is a deficient number, since it is larger than the sum of its proper divisors (21641924728).

22151522312 is a wasteful number, since it uses less digits than its factorization.

22151522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14382 (or 14378 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The spelling of 22151522312 in words is "twenty-two billion, one hundred fifty-one million, five hundred twenty-two thousand, three hundred twelve".