22253680 has 40 divisors (see below), whose sum is σ = 54786672. Its totient is φ = 8377344.

The previous prime is 22253677. The next prime is 22253689. The reversal of 22253680 is 8635222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6822 + ... + 9541.

Almost surely, 2^22253680 is an apocalyptic number.

22253680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22253680 is an abundant number, since it is smaller than the sum of its proper divisors (32532992).

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

22253680 is a wasteful number, since it uses less digits than its factorization.

22253680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393 (or 16387 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22253680 is about 4717.3806291204. The cubic root of 22253680 is about 281.2768218042.

The spelling of 22253680 in words is "twenty-two million, two hundred fifty-three thousand, six hundred eighty".