22238669 has 4 divisors (see below), whose sum is σ = 23546844. Its totient is φ = 20930496.

The previous prime is 22238663. The next prime is 22238681. The reversal of 22238669 is 96683222.

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 19245769 + 2992900 = 4387^2 + 1730^2 .

It is a cyclic number.

It is not a de Polignac number, because 22238669 - 2⁸ = 22238413 is a prime.

It is a super-2 number, since 2×22238669² = 989116797783122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22238663) 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, 654062 + ... + 654095.

It is an arithmetic number, because the mean of its divisors is an integer number (5886711).

Almost surely, 2^22238669 is an apocalyptic number.

It is an amenable number.

22238669 is a deficient number, since it is larger than the sum of its proper divisors (1308175).

22238669 is a wasteful number, since it uses less digits than its factorization.

22238669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308174.

The product of its digits is 62208, while the sum is 38.

The square root of 22238669 is about 4715.7893294760. The cubic root of 22238669 is about 281.2135634114.

The spelling of 22238669 in words is "twenty-two million, two hundred thirty-eight thousand, six hundred sixty-nine".