22724434 has 8 divisors (see below), whose sum is σ = 34213248. Its totient is φ = 11320020.

The previous prime is 22724431. The next prime is 22724441. The reversal of 22724434 is 43442722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22724431) 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, 20422 + ... + 21505.

It is an arithmetic number, because the mean of its divisors is an integer number (4276656).

Almost surely, 2^22724434 is an apocalyptic number.

22724434 is a deficient number, since it is larger than the sum of its proper divisors (11488814).

22724434 is a wasteful number, since it uses less digits than its factorization.

22724434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42200.

The product of its digits is 10752, while the sum is 28.

The square root of 22724434 is about 4767.0152087024. The cubic root of 22724434 is about 283.2463736209.

The spelling of 22724434 in words is "twenty-two million, seven hundred twenty-four thousand, four hundred thirty-four".