22412356 has 12 divisors (see below), whose sum is σ = 39317740. Its totient is φ = 11178720.

The previous prime is 22412339. The next prime is 22412359. The reversal of 22412356 is 65321422.

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 22278400 = 366^2 + 4720^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22412356.

It is not an unprimeable number, because it can be changed into a prime (22412359) 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, 4971 + ... + 8338.

Almost surely, 2^22412356 is an apocalyptic number.

It is an amenable number.

22412356 is a deficient number, since it is larger than the sum of its proper divisors (16905384).

22412356 is a wasteful number, since it uses less digits than its factorization.

22412356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734 (or 13732 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 22412356 is about 4734.1689872669. The cubic root of 22412356 is about 281.9437709596.

Adding to 22412356 its reverse (65321422), we get a palindrome (87733778).

The spelling of 22412356 in words is "twenty-two million, four hundred twelve thousand, three hundred fifty-six".