22789169 has 4 divisors (see below), whose sum is σ = 24542196. Its totient is φ = 21036144.

The previous prime is 22789139. The next prime is 22789171. The reversal of 22789169 is 96198722.

It is a happy number.

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 14592400 + 8196769 = 3820^2 + 2863^2 .

It is a cyclic number.

It is not a de Polignac number, because 22789169 - 2¹² = 22785073 is a prime.

It is a super-2 number, since 2×22789169² = 1038692447421122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22789139) 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, 876494 + ... + 876519.

It is an arithmetic number, because the mean of its divisors is an integer number (6135549).

Almost surely, 2^22789169 is an apocalyptic number.

It is an amenable number.

22789169 is a deficient number, since it is larger than the sum of its proper divisors (1753027).

22789169 is a wasteful number, since it uses less digits than its factorization.

22789169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753026.

The product of its digits is 108864, while the sum is 44.

The square root of 22789169 is about 4773.8002681302. The cubic root of 22789169 is about 283.5150795480.

The spelling of 22789169 in words is "twenty-two million, seven hundred eighty-nine thousand, one hundred sixty-nine".