22337138 has 4 divisors (see below), whose sum is σ = 33505710. Its totient is φ = 11168568.

The previous prime is 22337137. The next prime is 22337149. The reversal of 22337138 is 83173322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21557449 + 779689 = 4643^2 + 883^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22337138.

It is not an unprimeable number, because it can be changed into a prime (22337137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5584283 + ... + 5584286.

Almost surely, 2^22337138 is an apocalyptic number.

22337138 is a deficient number, since it is larger than the sum of its proper divisors (11168572).

22337138 is a wasteful number, since it uses less digits than its factorization.

22337138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168571.

The product of its digits is 6048, while the sum is 29.

The square root of 22337138 is about 4726.2181498530. The cubic root of 22337138 is about 281.6280074077.

The spelling of 22337138 in words is "twenty-two million, three hundred thirty-seven thousand, one hundred thirty-eight".