22512059136 has 360 divisors, whose sum is σ = 79206994944. Its totient is φ = 6223288320.

The previous prime is 22512059131. The next prime is 22512059189. The reversal of 22512059136 is 63195021522.

It is a happy number.

22512059136 is a `hidden beast` number, since 2 + 2 + 512 + 0 + 5 + 9 + 136 = 666.

It is a super-2 number, since 2×22512059136² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22512059136.

It is not an unprimeable number, because it can be changed into a prime (22512059131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4497211 + ... + 4502213.

Almost surely, 2^22512059136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22512059136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39603497472).

22512059136 is an abundant number, since it is smaller than the sum of its proper divisors (56694935808).

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

22512059136 is an equidigital number, since it uses as much as digits as its factorization.

22512059136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069 (or 5046 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 22512059136 in words is "twenty-two billion, five hundred twelve million, fifty-nine thousand, one hundred thirty-six".