22442769 has 12 divisors (see below), whose sum is σ = 32459700. Its totient is φ = 14942304.

The previous prime is 22442753. The next prime is 22442837. The reversal of 22442769 is 96724422.

22442769 is a `hidden beast` number, since 224 + 427 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22212369 + 230400 = 4713^2 + 480^2 .

It is not a de Polignac number, because 22442769 - 2⁴ = 22442753 is a prime.

It is a super-2 number, since 2×22442769² = 1007355760774722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22442269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10047 + ... + 12075.

It is an arithmetic number, because the mean of its divisors is an integer number (2704975).

Almost surely, 2^22442769 is an apocalyptic number.

It is an amenable number.

22442769 is a deficient number, since it is larger than the sum of its proper divisors (10016931).

22442769 is a wasteful number, since it uses less digits than its factorization.

22442769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3261 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 22442769 is about 4737.3799720943. The cubic root of 22442769 is about 282.0712435057.

The spelling of 22442769 in words is "twenty-two million, four hundred forty-two thousand, seven hundred sixty-nine".