22344572 has 12 divisors (see below), whose sum is σ = 39138120. Its totient is φ = 11162256.

The previous prime is 22344571. The next prime is 22344593. The reversal of 22344572 is 27544322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344571) 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, 5003 + ... + 8349.

It is an arithmetic number, because the mean of its divisors is an integer number (3261510).

Almost surely, 2^22344572 is an apocalyptic number.

It is an amenable number.

22344572 is a deficient number, since it is larger than the sum of its proper divisors (16793548).

22344572 is a wasteful number, since it uses less digits than its factorization.

22344572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5018 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 22344572 is about 4727.0045483371. The cubic root of 22344572 is about 281.6592467186.

Adding to 22344572 its reverse (27544322), we get a palindrome (49888894).

The spelling of 22344572 in words is "twenty-two million, three hundred forty-four thousand, five hundred seventy-two".