22237242 has 16 divisors (see below), whose sum is σ = 44612832. Its totient is φ = 7389360.

The previous prime is 22237231. The next prime is 22237253. The reversal of 22237242 is 24273222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22237231) and next prime (22237253).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613 + ... + 7584.

It is an arithmetic number, because the mean of its divisors is an integer number (2788302).

Almost surely, 2^22237242 is an apocalyptic number.

22237242 is an abundant number, since it is smaller than the sum of its proper divisors (22375590).

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

22237242 is a wasteful number, since it uses less digits than its factorization.

22237242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11533.

The product of its digits is 2688, while the sum is 24.

The square root of 22237242 is about 4715.6380268210. The cubic root of 22237242 is about 281.2075483581.

The spelling of 22237242 in words is "twenty-two million, two hundred thirty-seven thousand, two hundred forty-two".