22642338 has 64 divisors (see below), whose sum is σ = 50688000. Its totient is φ = 6713280.

The previous prime is 22642331. The next prime is 22642339. The reversal of 22642338 is 83324622.

It is not an unprimeable number, because it can be changed into a prime (22642331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151888 + ... + 152036.

It is an arithmetic number, because the mean of its divisors is an integer number (792000).

Almost surely, 2^22642338 is an apocalyptic number.

22642338 is an abundant number, since it is smaller than the sum of its proper divisors (28045662).

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

22642338 is a wasteful number, since it uses less digits than its factorization.

22642338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 13824, while the sum is 30.

The square root of 22642338 is about 4758.3965786807. The cubic root of 22642338 is about 282.9048696558.

The spelling of 22642338 in words is "twenty-two million, six hundred forty-two thousand, three hundred thirty-eight".