22233138 has 16 divisors (see below), whose sum is σ = 45901056. Its totient is φ = 7171920.

The previous prime is 22233121. The next prime is 22233139. The reversal of 22233138 is 83133222.

It is not an unprimeable number, because it can be changed into a prime (22233139) 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, 59581 + ... + 59952.

It is an arithmetic number, because the mean of its divisors is an integer number (2868816).

Almost surely, 2^22233138 is an apocalyptic number.

22233138 is an abundant number, since it is smaller than the sum of its proper divisors (23667918).

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

22233138 is a wasteful number, since it uses less digits than its factorization.

22233138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119569.

The product of its digits is 1728, while the sum is 24.

The square root of 22233138 is about 4715.2028588386. The cubic root of 22233138 is about 281.1902478496.

The spelling of 22233138 in words is "twenty-two million, two hundred thirty-three thousand, one hundred thirty-eight".