22973212 has 12 divisors (see below), whose sum is σ = 40353376. Its totient is φ = 11443680.

The previous prime is 22973207. The next prime is 22973213. The reversal of 22973212 is 21237922.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22973213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9513 + ... + 11680.

Almost surely, 2^22973212 is an apocalyptic number.

It is an amenable number.

22973212 is a deficient number, since it is larger than the sum of its proper divisors (17380164).

22973212 is a wasteful number, since it uses less digits than its factorization.

22973212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21468 (or 21466 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 22973212 is about 4793.0378675742. The cubic root of 22973212 is about 284.2762471099.

It can be divided in two parts, 229 and 73212, that added together give a square (73441 = 271²).

The spelling of 22973212 in words is "twenty-two million, nine hundred seventy-three thousand, two hundred twelve".