22161876734 has 32 divisors (see below), whose sum is σ = 35999622720. Its totient is φ = 10200782592.

The previous prime is 22161876731. The next prime is 22161876743. The reversal of 22161876734 is 43767816122.

It is a super-2 number, since 2×22161876734² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22161876731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391004 + ... + 444080.

It is an arithmetic number, because the mean of its divisors is an integer number (1124988210).

Almost surely, 2^22161876734 is an apocalyptic number.

22161876734 is a deficient number, since it is larger than the sum of its proper divisors (13837745986).

22161876734 is a wasteful number, since it uses less digits than its factorization.

22161876734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53444.

The product of its digits is 677376, while the sum is 47.

The spelling of 22161876734 in words is "twenty-two billion, one hundred sixty-one million, eight hundred seventy-six thousand, seven hundred thirty-four".