22197873937 has 4 divisors (see below), whose sum is σ = 22204541296. Its totient is φ = 22191206580.

The previous prime is 22197873931. The next prime is 22197873989. The reversal of 22197873937 is 73937879122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22197873937 - 2⁷ = 22197873809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22197873931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328683 + ... + 3335344.

It is an arithmetic number, because the mean of its divisors is an integer number (5551135324).

Almost surely, 2^22197873937 is an apocalyptic number.

It is an amenable number.

22197873937 is a deficient number, since it is larger than the sum of its proper divisors (6667359).

22197873937 is an equidigital number, since it uses as much as digits as its factorization.

22197873937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667358.

The product of its digits is 8001504, while the sum is 58.

The spelling of 22197873937 in words is "twenty-two billion, one hundred ninety-seven million, eight hundred seventy-three thousand, nine hundred thirty-seven".