22512514404232 has 64 divisors (see below), whose sum is σ = 44182241026560. Its totient is φ = 10741247961600.

The previous prime is 22512514404223. The next prime is 22512514404299. The reversal of 22512514404232 is 23240441521522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22512514404191 and 22512514404200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9674658 + ... + 11773870.

It is an arithmetic number, because the mean of its divisors is an integer number (690347516040).

Almost surely, 2^{22512514404232} is an apocalyptic number.

It is an amenable number.

22512514404232 is a deficient number, since it is larger than the sum of its proper divisors (21669726622328).

22512514404232 is a wasteful number, since it uses less digits than its factorization.

22512514404232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099854 (or 2099850 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 22512514404232 its reverse (23240441521522), we get a palindrome (45752955925754).

The spelling of 22512514404232 in words is "twenty-two trillion, five hundred twelve billion, five hundred fourteen million, four hundred four thousand, two hundred thirty-two".