22765669 has 4 divisors (see below), whose sum is σ = 24104844. Its totient is φ = 21426496.

The previous prime is 22765663. The next prime is 22765679. The reversal of 22765669 is 96656722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18164644 + 4601025 = 4262^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 22765669 - 2¹⁷ = 22634597 is a prime.

It is a super-2 number, since 2×22765669² = 1036551370035122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22765663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669562 + ... + 669595.

It is an arithmetic number, because the mean of its divisors is an integer number (6026211).

Almost surely, 2^22765669 is an apocalyptic number.

It is an amenable number.

22765669 is a deficient number, since it is larger than the sum of its proper divisors (1339175).

22765669 is a wasteful number, since it uses less digits than its factorization.

22765669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339174.

The product of its digits is 272160, while the sum is 43.

The square root of 22765669 is about 4771.3382818660. The cubic root of 22765669 is about 283.4175932403.

The spelling of 22765669 in words is "twenty-two million, seven hundred sixty-five thousand, six hundred sixty-nine".