22412312 has 16 divisors (see below), whose sum is σ = 45255840. Its totient is φ = 10344096.

The previous prime is 22412311. The next prime is 22412317. The reversal of 22412312 is 21321422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412311) 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, 107648 + ... + 107855.

It is an arithmetic number, because the mean of its divisors is an integer number (2828490).

Almost surely, 2^22412312 is an apocalyptic number.

It is an amenable number.

22412312 is an abundant number, since it is smaller than the sum of its proper divisors (22843528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22412312 is a wasteful number, since it uses less digits than its factorization.

22412312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215522 (or 215518 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 22412312 is about 4734.1643401978. The cubic root of 22412312 is about 281.9435864552.

Adding to 22412312 its reverse (21321422), we get a palindrome (43733734).

The spelling of 22412312 in words is "twenty-two million, four hundred twelve thousand, three hundred twelve".