22601767725 has 72 divisors (see below), whose sum is σ = 41671618560. Its totient is φ = 11704210560.

The previous prime is 22601767723. The next prime is 22601767757. The reversal of 22601767725 is 52776710622.

It is not a de Polignac number, because 22601767725 - 2¹ = 22601767723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22601767723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1334611 + ... + 1351439.

It is an arithmetic number, because the mean of its divisors is an integer number (578772480).

Almost surely, 2^22601767725 is an apocalyptic number.

22601767725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22601767725 is a deficient number, since it is larger than the sum of its proper divisors (19069850835).

22601767725 is a wasteful number, since it uses less digits than its factorization.

22601767725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17019 (or 17011 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 22601767725 in words is "twenty-two billion, six hundred one million, seven hundred sixty-seven thousand, seven hundred twenty-five".