22452073725 has 12 divisors (see below), whose sum is σ = 37120762016. Its totient is φ = 11974439280.

The previous prime is 22452073703. The next prime is 22452073739. The reversal of 22452073725 is 52737025422.

It is not a de Polignac number, because 22452073725 - 2⁶ = 22452073661 is a prime.

It is a super-2 number, since 2×22452073725² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149680417 + ... + 149680566.

Almost surely, 2^22452073725 is an apocalyptic number.

22452073725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22452073725 is a deficient number, since it is larger than the sum of its proper divisors (14668688291).

22452073725 is a wasteful number, since it uses less digits than its factorization.

22452073725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299360996 (or 299360991 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 39.

The spelling of 22452073725 in words is "twenty-two billion, four hundred fifty-two million, seventy-three thousand, seven hundred twenty-five".