22445212023500 has 72 divisors (see below), whose sum is σ = 57023664437376. Its totient is φ = 7695501256800.

The previous prime is 22445212023497. The next prime is 22445212023601. The reversal of 22445212023500 is 532021254422.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458041052 + ... + 458090051.

It is an arithmetic number, because the mean of its divisors is an integer number (791995339408).

Almost surely, 2^{22445212023500} is an apocalyptic number.

22445212023500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22445212023500 is an abundant number, since it is smaller than the sum of its proper divisors (34578452413876).

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

22445212023500 is a wasteful number, since it uses less digits than its factorization.

22445212023500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916131136 (or 916131117 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 22445212023500 its reverse (532021254422), we get a palindrome (22977233277922).

The spelling of 22445212023500 in words is "twenty-two trillion, four hundred forty-five billion, two hundred twelve million, twenty-three thousand, five hundred".