22767725 has 6 divisors (see below), whose sum is σ = 28232010. Its totient is φ = 18214160.

The previous prime is 22767707. The next prime is 22767727. The reversal of 22767725 is 52776722.

It can be written as a sum of positive squares in 3 ways, for example, as 7070281 + 15697444 = 2659^2 + 3962^2 .

It is not a de Polignac number, because 22767725 - 2¹⁶ = 22702189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22767727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 455330 + ... + 455379.

It is an arithmetic number, because the mean of its divisors is an integer number (4705335).

Almost surely, 2^22767725 is an apocalyptic number.

22767725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22767725 is a deficient number, since it is larger than the sum of its proper divisors (5464285).

22767725 is an equidigital number, since it uses as much as digits as its factorization.

22767725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910719 (or 910714 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 22767725 is about 4771.5537301806. The cubic root of 22767725 is about 283.4261249323.

It can be divided in two parts, 2276 and 7725, that added together give a palindrome (10001).

The spelling of 22767725 in words is "twenty-two million, seven hundred sixty-seven thousand, seven hundred twenty-five".