22016421020524 has 24 divisors (see below), whose sum is σ = 44052248444960. Its totient is φ = 9431450493696.

The previous prime is 22016421020413. The next prime is 22016421020549. The reversal of 22016421020524 is 42502012461022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173206797 + ... + 173333860.

Almost surely, 2^{22016421020524} is an apocalyptic number.

It is an amenable number.

22016421020524 is an abundant number, since it is smaller than the sum of its proper divisors (22035827424436).

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

22016421020524 is a wasteful number, since it uses less digits than its factorization.

22016421020524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346542937 (or 346542935 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 22016421020524 its reverse (42502012461022), we get a palindrome (64518433481546).

The spelling of 22016421020524 in words is "twenty-two trillion, sixteen billion, four hundred twenty-one million, twenty thousand, five hundred twenty-four".