22871490 has 32 divisors (see below), whose sum is σ = 56664576. Its totient is φ = 5902080.

The previous prime is 22871483. The next prime is 22871491. The reversal of 22871490 is 9417822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22871491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11367 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (1770768).

Almost surely, 2^22871490 is an apocalyptic number.

22871490 is an abundant number, since it is smaller than the sum of its proper divisors (33793086).

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

22871490 is a wasteful number, since it uses less digits than its factorization.

22871490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24634.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22871490 is about 4782.4146620719. The cubic root of 22871490 is about 283.8560485180.

The spelling of 22871490 in words is "twenty-two million, eight hundred seventy-one thousand, four hundred ninety".