22827649938 has 32 divisors (see below), whose sum is σ = 45835868736. Its totient is φ = 7579161408.

The previous prime is 22827649919. The next prime is 22827649951. The reversal of 22827649938 is 83994672822.

It is a super-2 number, since 2×22827649938² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2816620 + ... + 2824712.

It is an arithmetic number, because the mean of its divisors is an integer number (1432370898).

Almost surely, 2^22827649938 is an apocalyptic number.

22827649938 is an abundant number, since it is smaller than the sum of its proper divisors (23008218798).

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

22827649938 is a wasteful number, since it uses less digits than its factorization.

22827649938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898.

The product of its digits is 20901888, while the sum is 60.

The spelling of 22827649938 in words is "twenty-two billion, eight hundred twenty-seven million, six hundred forty-nine thousand, nine hundred thirty-eight".