22615023425 has 24 divisors (see below), whose sum is σ = 28239261024. Its totient is φ = 17965359360.

The previous prime is 22615023383. The next prime is 22615023437. The reversal of 22615023425 is 52432051622.

It is not a de Polignac number, because 22615023425 - 2⁸ = 22615023169 is a prime.

It is a super-2 number, since 2×22615023425² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22615023391 and 22615023400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7630994 + ... + 7633956.

It is an arithmetic number, because the mean of its divisors is an integer number (1176635876).

Almost surely, 2^22615023425 is an apocalyptic number.

22615023425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22615023425 is a deficient number, since it is larger than the sum of its proper divisors (5624237599).

22615023425 is a wasteful number, since it uses less digits than its factorization.

22615023425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 22615023425 in words is "twenty-two billion, six hundred fifteen million, twenty-three thousand, four hundred twenty-five".