22501535244 has 24 divisors (see below), whose sum is σ = 52817979648. Its totient is φ = 7455597840.

The previous prime is 22501535179. The next prime is 22501535249. The reversal of 22501535244 is 44253510522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22501535249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5612152 + ... + 5616159.

It is an arithmetic number, because the mean of its divisors is an integer number (2200749152).

Almost surely, 2^22501535244 is an apocalyptic number.

It is an amenable number.

22501535244 is an abundant number, since it is smaller than the sum of its proper divisors (30316444404).

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

22501535244 is a wasteful number, since it uses less digits than its factorization.

22501535244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228485 (or 11228483 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 22501535244 in words is "twenty-two billion, five hundred one million, five hundred thirty-five thousand, two hundred forty-four".