22312001904838 has 16 divisors (see below), whose sum is σ = 33781297080960. Its totient is φ = 11051607413376.

The previous prime is 22312001904821. The next prime is 22312001904931. The reversal of 22312001904838 is 83840910021322.

It is a super-3 number, since 3×22312001904838³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312001904794 and 22312001904803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8285731 + ... + 10643182.

It is an arithmetic number, because the mean of its divisors is an integer number (2111331067560).

Almost surely, 2^{22312001904838} is an apocalyptic number.

22312001904838 is a deficient number, since it is larger than the sum of its proper divisors (11469295176122).

22312001904838 is a wasteful number, since it uses less digits than its factorization.

22312001904838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18934431.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 22312001904838 in words is "twenty-two trillion, three hundred twelve billion, one million, nine hundred four thousand, eight hundred thirty-eight".