22412512 has 12 divisors (see below), whose sum is σ = 44124696. Its totient is φ = 11206240.

The previous prime is 22412501. The next prime is 22412519. The reversal of 22412512 is 21521422.

It is a self number, because there is not a number n which added to its sum of digits gives 22412512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350164 + ... + 350227.

It is an arithmetic number, because the mean of its divisors is an integer number (3677058).

Almost surely, 2^22412512 is an apocalyptic number.

It is an amenable number.

22412512 is a deficient number, since it is larger than the sum of its proper divisors (21712184).

22412512 is an equidigital number, since it uses as much as digits as its factorization.

22412512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700401 (or 700393 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 22412512 is about 4734.1854632027. The cubic root of 22412512 is about 281.9444251096.

Adding to 22412512 its reverse (21521422), we get a palindrome (43933934).

It can be divided in two parts, 2241 and 2512, that added together give a triangular number (4753 = T₉₇).

The spelling of 22412512 in words is "twenty-two million, four hundred twelve thousand, five hundred twelve".