22548216 has 32 divisors (see below), whose sum is σ = 56620800. Its totient is φ = 7482720.

The previous prime is 22548209. The next prime is 22548221. The reversal of 22548216 is 61284522.

It is a congruent number.

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, 3771 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (1769400).

Almost surely, 2^22548216 is an apocalyptic number.

It is an amenable number.

22548216 is an abundant number, since it is smaller than the sum of its proper divisors (34072584).

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

22548216 is a wasteful number, since it uses less digits than its factorization.

22548216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4175 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22548216 is about 4748.4961830036. The cubic root of 22548216 is about 282.5123225366.

The spelling of 22548216 in words is "twenty-two million, five hundred forty-eight thousand, two hundred sixteen".