22284136 has 32 divisors (see below), whose sum is σ = 47989440. Its totient is φ = 9502848.

The previous prime is 22284113. The next prime is 22284137. The reversal of 22284136 is 63148222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22284137) 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, 11836 + ... + 13588.

It is an arithmetic number, because the mean of its divisors is an integer number (1499670).

Almost surely, 2^22284136 is an apocalyptic number.

It is an amenable number.

22284136 is an abundant number, since it is smaller than the sum of its proper divisors (25705304).

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

22284136 is a wasteful number, since it uses less digits than its factorization.

22284136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1989 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 22284136 is about 4720.6075880124. The cubic root of 22284136 is about 281.4050801691.

The spelling of 22284136 in words is "twenty-two million, two hundred eighty-four thousand, one hundred thirty-six".