22285344 has 48 divisors (see below), whose sum is σ = 61048512. Its totient is φ = 7104768.

The previous prime is 22285343. The next prime is 22285349. The reversal of 22285344 is 44358222.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (22285343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2839 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (1271844).

Almost surely, 2^22285344 is an apocalyptic number.

22285344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22285344 is an abundant number, since it is smaller than the sum of its proper divisors (38763168).

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

22285344 is a wasteful number, since it uses less digits than its factorization.

22285344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129 (or 10121 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 22285344 is about 4720.7355359096. The cubic root of 22285344 is about 281.4101649702.

The spelling of 22285344 in words is "twenty-two million, two hundred eighty-five thousand, three hundred forty-four".