22725027 has 24 divisors (see below), whose sum is σ = 36180144. Its totient is φ = 13656384.

The previous prime is 22725023. The next prime is 22725097. The reversal of 22725027 is 72052722.

It is a happy number.

It is not a de Polignac number, because 22725027 - 2² = 22725023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22725023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2773 + ... + 7289.

It is an arithmetic number, because the mean of its divisors is an integer number (1507506).

Almost surely, 2^22725027 is an apocalyptic number.

22725027 is a deficient number, since it is larger than the sum of its proper divisors (13455117).

22725027 is a wasteful number, since it uses less digits than its factorization.

22725027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579 (or 4576 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 22725027 is about 4767.0774065459. The cubic root of 22725027 is about 283.2488373954.

Adding to 22725027 its reverse (72052722), we get a palindrome (94777749).

The spelling of 22725027 in words is "twenty-two million, seven hundred twenty-five thousand, twenty-seven".