22405531028 has 12 divisors (see below), whose sum is σ = 39508990752. Its totient is φ = 11117247960.

The previous prime is 22405531013. The next prime is 22405531067. The reversal of 22405531028 is 82013550422.

It is a junction number, because it is equal to n+sod(n) for n = 22405530985 and 22405531003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21378800 + ... + 21379847.

It is an arithmetic number, because the mean of its divisors is an integer number (3292415896).

Almost surely, 2^22405531028 is an apocalyptic number.

It is an amenable number.

22405531028 is a deficient number, since it is larger than the sum of its proper divisors (17103459724).

22405531028 is a wasteful number, since it uses less digits than its factorization.

22405531028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42758782 (or 42758780 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 22405531028 in words is "twenty-two billion, four hundred five million, five hundred thirty-one thousand, twenty-eight".