22039946425 has 36 divisors (see below), whose sum is σ = 31931951760. Its totient is φ = 15046338720.

The previous prime is 22039946381. The next prime is 22039946449. The reversal of 22039946425 is 52464993022.

It is not a de Polignac number, because 22039946425 - 2⁷ = 22039946297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 238446 + ... + 317704.

It is an arithmetic number, because the mean of its divisors is an integer number (886998660).

Almost surely, 2^22039946425 is an apocalyptic number.

22039946425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22039946425 is a deficient number, since it is larger than the sum of its proper divisors (9892005335).

22039946425 is a wasteful number, since it uses less digits than its factorization.

22039946425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79510 (or 79498 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 22039946425 in words is "twenty-two billion, thirty-nine million, nine hundred forty-six thousand, four hundred twenty-five".