22413552 has 80 divisors (see below), whose sum is σ = 67828992. Its totient is φ = 6243840.

The previous prime is 22413539. The next prime is 22413563. The reversal of 22413552 is 25531422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12963 + ... + 14589.

Almost surely, 2^22413552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22413552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33914496).

22413552 is an abundant number, since it is smaller than the sum of its proper divisors (45415440).

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

22413552 is a wasteful number, since it uses less digits than its factorization.

22413552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1680 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 22413552 is about 4734.2953013094. The cubic root of 22413552 is about 281.9487860318.

Adding to 22413552 its reverse (25531422), we get a palindrome (47944974).

The spelling of 22413552 in words is "twenty-two million, four hundred thirteen thousand, five hundred fifty-two".