22929489 has 12 divisors (see below), whose sum is σ = 36131472. Its totient is φ = 13896600.

The previous prime is 22929479. The next prime is 22929503. The reversal of 22929489 is 98492922.

It is not a de Polignac number, because 22929489 - 2⁵ = 22929457 is a prime.

It is a super-2 number, since 2×22929489² = 1051522931602242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22929419) 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, 115707 + ... + 115904.

It is an arithmetic number, because the mean of its divisors is an integer number (3010956).

Almost surely, 2^22929489 is an apocalyptic number.

It is an amenable number.

22929489 is a deficient number, since it is larger than the sum of its proper divisors (13201983).

22929489 is a wasteful number, since it uses less digits than its factorization.

22929489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231628 (or 231625 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 22929489 is about 4788.4746005383. The cubic root of 22929489 is about 284.0957861454.

It can be divided in two parts, 2292 and 9489, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 22929489 in words is "twenty-two million, nine hundred twenty-nine thousand, four hundred eighty-nine".