22161853976 has 16 divisors (see below), whose sum is σ = 42437593440. Its totient is φ = 10845162400.

The previous prime is 22161853957. The next prime is 22161853981. The reversal of 22161853976 is 67935816122.

It is a happy number.

It is a super-2 number, since 2×22161853976² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29470175 + ... + 29470926.

It is an arithmetic number, because the mean of its divisors is an integer number (2652349590).

Almost surely, 2^22161853976 is an apocalyptic number.

It is an amenable number.

22161853976 is a deficient number, since it is larger than the sum of its proper divisors (20275739464).

22161853976 is a wasteful number, since it uses less digits than its factorization.

22161853976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58941154 (or 58941150 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The spelling of 22161853976 in words is "twenty-two billion, one hundred sixty-one million, eight hundred fifty-three thousand, nine hundred seventy-six".