22234957938 has 24 divisors (see below), whose sum is σ = 48204264108. Its totient is φ = 7407264672.

The previous prime is 22234957909. The next prime is 22234957939. The reversal of 22234957938 is 83975943222.

22234957938 is a `hidden beast` number, since 2 + 2 + 2 + 34 + 9 + 579 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21153666249 + 1081291689 = 145443^2 + 32883^2 .

It is not an unprimeable number, because it can be changed into a prime (22234957939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334345 + ... + 395292.

Almost surely, 2^22234957938 is an apocalyptic number.

22234957938 is an abundant number, since it is smaller than the sum of its proper divisors (25969306170).

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

22234957938 is a wasteful number, since it uses less digits than its factorization.

22234957938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731338 (or 731335 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 22234957938 in words is "twenty-two billion, two hundred thirty-four million, nine hundred fifty-seven thousand, nine hundred thirty-eight".