22974829 has 4 divisors (see below), whose sum is σ = 23103360. Its totient is φ = 22846300.

The previous prime is 22974827. The next prime is 22974839. The reversal of 22974829 is 92847922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22974829 - 2¹ = 22974827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22974823) 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, 63997 + ... + 64354.

It is an arithmetic number, because the mean of its divisors is an integer number (5775840).

Almost surely, 2^22974829 is an apocalyptic number.

It is an amenable number.

22974829 is a deficient number, since it is larger than the sum of its proper divisors (128531).

22974829 is a wasteful number, since it uses less digits than its factorization.

22974829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128530.

The product of its digits is 145152, while the sum is 43.

The square root of 22974829 is about 4793.2065467701. The cubic root of 22974829 is about 284.2829166737.

The spelling of 22974829 in words is "twenty-two million, nine hundred seventy-four thousand, eight hundred twenty-nine".