22996490 has 32 divisors (see below), whose sum is σ = 46267200. Its totient is φ = 8156800.

The previous prime is 22996487. The next prime is 22996549. The reversal of 22996490 is 9469922.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1961 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (1445850).

Almost surely, 2^22996490 is an apocalyptic number.

22996490 is an abundant number, since it is smaller than the sum of its proper divisors (23270710).

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

22996490 is a wasteful number, since it uses less digits than its factorization.

22996490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 22996490 is about 4795.4655665535. The cubic root of 22996490 is about 284.3722306215.

The spelling of 22996490 in words is "twenty-two million, nine hundred ninety-six thousand, four hundred ninety".