22286380 has 24 divisors (see below), whose sum is σ = 46901232. Its totient is φ = 8895552.

The previous prime is 22286359. The next prime is 22286399. The reversal of 22286380 is 8368222.

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, 11994 + ... + 13726.

It is an arithmetic number, because the mean of its divisors is an integer number (1954218).

Almost surely, 2^22286380 is an apocalyptic number.

22286380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22286380 is an abundant number, since it is smaller than the sum of its proper divisors (24614852).

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

22286380 is a wasteful number, since it uses less digits than its factorization.

22286380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 22286380 is about 4720.8452632977. The cubic root of 22286380 is about 281.4145256300.

The spelling of 22286380 in words is "twenty-two million, two hundred eighty-six thousand, three hundred eighty".