22233412 has 6 divisors (see below), whose sum is σ = 38908478. Its totient is φ = 11116704.

The previous prime is 22233389. The next prime is 22233427. The reversal of 22233412 is 21433222.

It can be written as a sum of positive squares in only one way, i.e., 16924996 + 5308416 = 4114^2 + 2304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22233412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2779173 + ... + 2779180.

Almost surely, 2^22233412 is an apocalyptic number.

It is an amenable number.

22233412 is a deficient number, since it is larger than the sum of its proper divisors (16675066).

22233412 is a wasteful number, since it uses less digits than its factorization.

22233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558357 (or 5558355 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 22233412 is about 4715.2319137027. The cubic root of 22233412 is about 281.1914029694.

Adding to 22233412 its reverse (21433222), we get a palindrome (43666634).

The spelling of 22233412 in words is "twenty-two million, two hundred thirty-three thousand, four hundred twelve".