22546880 has 28 divisors (see below), whose sum is σ = 53690520. Its totient is φ = 9018624.

The previous prime is 22546873. The next prime is 22546897. The reversal of 22546880 is 8864522.

It is a self number, because there is not a number n which added to its sum of digits gives 22546880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34910 + ... + 35549.

Almost surely, 2^22546880 is an apocalyptic number.

22546880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22546880 is an abundant number, since it is smaller than the sum of its proper divisors (31143640).

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

22546880 is an equidigital number, since it uses as much as digits as its factorization.

22546880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70476 (or 70466 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 22546880 is about 4748.3555048037. The cubic root of 22546880 is about 282.5067427320.

The spelling of 22546880 in words is "twenty-two million, five hundred forty-six thousand, eight hundred eighty".