22343812 has 12 divisors (see below), whose sum is σ = 39743116. Its totient is φ = 10988640.

The previous prime is 22343809. The next prime is 22343813. The reversal of 22343812 is 21834322.

It can be written as a sum of positive squares in 2 ways, for example, as 8904256 + 13439556 = 2984^2 + 3666^2 .

It is not an unprimeable number, because it can be changed into a prime (22343813) 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, 45543 + ... + 46030.

Almost surely, 2^22343812 is an apocalyptic number.

It is an amenable number.

22343812 is a deficient number, since it is larger than the sum of its proper divisors (17399304).

22343812 is a wasteful number, since it uses less digits than its factorization.

22343812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91638 (or 91636 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 22343812 is about 4726.9241584777. The cubic root of 22343812 is about 281.6560533486.

The spelling of 22343812 in words is "twenty-two million, three hundred forty-three thousand, eight hundred twelve".