22038757725 has 12 divisors (see below), whose sum is σ = 36437412896. Its totient is φ = 11754004080.

The previous prime is 22038757717. The next prime is 22038757831. The reversal of 22038757725 is 52775783022.

It is not a de Polignac number, because 22038757725 - 2³ = 22038757717 is a prime.

It is a super-2 number, since 2×22038757725² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146924977 + ... + 146925126.

Almost surely, 2^22038757725 is an apocalyptic number.

22038757725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22038757725 is a deficient number, since it is larger than the sum of its proper divisors (14398655171).

22038757725 is a wasteful number, since it uses less digits than its factorization.

22038757725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293850116 (or 293850111 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 22038757725 in words is "twenty-two billion, thirty-eight million, seven hundred fifty-seven thousand, seven hundred twenty-five".