22725769 has 16 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 19989760.

The previous prime is 22725757. The next prime is 22725803. The reversal of 22725769 is 96752722.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22725769 is a prime.

It is a super-2 number, since 2×22725769² = 1032921153282722, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (105840) is a multiple of the sum of its prime divisors (560).

It is not an unprimeable number, because it can be changed into a prime (22725709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58227 + ... + 58615.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^22725769 is an apocalyptic number.

It is an amenable number.

22725769 is a deficient number, since it is larger than the sum of its proper divisors (2883191).

22725769 is a wasteful number, since it uses less digits than its factorization.

22725769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 105840, while the sum is 40.

The square root of 22725769 is about 4767.1552313723. The cubic root of 22725769 is about 283.2519201691.

The spelling of 22725769 in words is "twenty-two million, seven hundred twenty-five thousand, seven hundred sixty-nine".