22490496 has 96 divisors (see below), whose sum is σ = 73990800. Its totient is φ = 6423552.

The previous prime is 22490467. The next prime is 22490521. The reversal of 22490496 is 69409422.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22490496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6670 + ... + 9458.

Almost surely, 2^22490496 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 22490496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36995400).

22490496 is an abundant number, since it is smaller than the sum of its proper divisors (51500304).

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

22490496 is a wasteful number, since it uses less digits than its factorization.

22490496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2801 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22490496 is about 4742.4145748764. The cubic root of 22490496 is about 282.2710537044.

The spelling of 22490496 in words is "twenty-two million, four hundred ninety thousand, four hundred ninety-six".