22244880 has 80 divisors (see below), whose sum is σ = 78816384. Its totient is φ = 5084160.

The previous prime is 22244879. The next prime is 22244903. The reversal of 22244880 is 8844222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 4941 + ... + 8300.

Almost surely, 2^22244880 is an apocalyptic number.

22244880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22244880 is an abundant number, since it is smaller than the sum of its proper divisors (56571504).

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

22244880 is a wasteful number, since it uses less digits than its factorization.

22244880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264 (or 13258 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 22244880 is about 4716.4478158886. The cubic root of 22244880 is about 281.2397408604.

The spelling of 22244880 in words is "twenty-two million, two hundred forty-four thousand, eight hundred eighty".