22131201230984 has 8 divisors (see below), whose sum is σ = 41496002308110. Its totient is φ = 11065600615488.

The previous prime is 22131201230969. The next prime is 22131201230987. The reversal of 22131201230984 is 48903210213122.

It can be written as a sum of positive squares in only one way, i.e., 19487721960100 + 2643479270884 = 4414490^2 + 1625878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22131201230987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383200076929 + ... + 1383200076944.

Almost surely, 2^{22131201230984} is an apocalyptic number.

It is an amenable number.

22131201230984 is a deficient number, since it is larger than the sum of its proper divisors (19364801077126).

22131201230984 is a wasteful number, since it uses less digits than its factorization.

22131201230984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766400153879 (or 2766400153875 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 22131201230984 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred one million, two hundred thirty thousand, nine hundred eighty-four".