22844990 has 32 divisors (see below), whose sum is σ = 47706624. Its totient is φ = 7714080.

The previous prime is 22844989. The next prime is 22844993. The reversal of 22844990 is 9944822.

It is a super-3 number, since 3×22844990³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22844993) 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, 2255 + ... + 7125.

It is an arithmetic number, because the mean of its divisors is an integer number (1490832).

Almost surely, 2^22844990 is an apocalyptic number.

22844990 is an abundant number, since it is smaller than the sum of its proper divisors (24861634).

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

22844990 is a wasteful number, since it uses less digits than its factorization.

22844990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 22844990 is about 4779.6432921297. The cubic root of 22844990 is about 283.7463764278.

The spelling of 22844990 in words is "twenty-two million, eight hundred forty-four thousand, nine hundred ninety".