22122478502 has 16 divisors (see below), whose sum is σ = 33852220224. Its totient is φ = 10839744000.

The previous prime is 22122478489. The next prime is 22122478507. The reversal of 22122478502 is 20587422122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122478507) 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, 301499 + ... + 367622.

It is an arithmetic number, because the mean of its divisors is an integer number (2115763764).

Almost surely, 2^22122478502 is an apocalyptic number.

22122478502 is a deficient number, since it is larger than the sum of its proper divisors (11729741722).

22122478502 is a wasteful number, since it uses less digits than its factorization.

22122478502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669455.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 22122478502 in words is "twenty-two billion, one hundred twenty-two million, four hundred seventy-eight thousand, five hundred two".