22788525 has 24 divisors (see below), whose sum is σ = 37836864. Its totient is φ = 12102400.

The previous prime is 22788511. The next prime is 22788527. The reversal of 22788525 is 52588722.

It is a happy number.

It is not a de Polignac number, because 22788525 - 2⁹ = 22788013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22788527) 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, 22837 + ... + 23813.

It is an arithmetic number, because the mean of its divisors is an integer number (1576536).

Almost surely, 2^22788525 is an apocalyptic number.

22788525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22788525 is a deficient number, since it is larger than the sum of its proper divisors (15048339).

22788525 is a wasteful number, since it uses less digits than its factorization.

22788525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1296 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 22788525 is about 4773.7328161513. The cubic root of 22788525 is about 283.5124089017.

The spelling of 22788525 in words is "twenty-two million, seven hundred eighty-eight thousand, five hundred twenty-five".