22282900 has 36 divisors (see below), whose sum is σ = 48559392. Its totient is φ = 8875360.

The previous prime is 22282891. The next prime is 22282907. The reversal of 22282900 is 928222.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22282907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44049 + ... + 44551.

It is an arithmetic number, because the mean of its divisors is an integer number (1348872).

Almost surely, 2^22282900 is an apocalyptic number.

22282900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22282900 is an abundant number, since it is smaller than the sum of its proper divisors (26276492).

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

22282900 is a wasteful number, since it uses less digits than its factorization.

22282900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 22282900 is about 4720.4766708459. The cubic root of 22282900 is about 281.3998773183.

The spelling of 22282900 in words is "twenty-two million, two hundred eighty-two thousand, nine hundred".