22298880 has 72 divisors (see below), whose sum is σ = 71229312. Its totient is φ = 5945344.

The previous prime is 22298851. The next prime is 22298921. The reversal of 22298880 is 8889222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (989296).

Almost surely, 2^22298880 is an apocalyptic number.

22298880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22298880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35614656).

22298880 is an abundant number, since it is smaller than the sum of its proper divisors (48930432).

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

22298880 is an equidigital number, since it uses as much as digits as its factorization.

22298880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 22298880 is about 4722.1689931641. The cubic root of 22298880 is about 281.4671291201.

The spelling of 22298880 in words is "twenty-two million, two hundred ninety-eight thousand, eight hundred eighty".