22720334 has 32 divisors (see below), whose sum is σ = 43309056. Its totient is φ = 8696160.

The previous prime is 22720319. The next prime is 22720349. The reversal of 22720334 is 43302722.

It is an interprime number because it is at equal distance from previous prime (22720319) and next prime (22720349).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3629 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (1353408).

Almost surely, 2^22720334 is an apocalyptic number.

22720334 is a deficient number, since it is larger than the sum of its proper divisors (20588722).

22720334 is a wasteful number, since it uses less digits than its factorization.

22720334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 22720334 is about 4766.5851508181. The cubic root of 22720334 is about 283.2293379200.

The spelling of 22720334 in words is "twenty-two million, seven hundred twenty thousand, three hundred thirty-four".