22371207161 has 4 divisors (see below), whose sum is σ = 22737948324. Its totient is φ = 22004466000.

The previous prime is 22371207127. The next prime is 22371207179. The reversal of 22371207161 is 16170217322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 483780025 + 21887427136 = 21995^2 + 147944^2 .

It is a cyclic number.

It is not a de Polignac number, because 22371207161 - 2¹⁸ = 22370945017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22371207101) 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, 183370490 + ... + 183370611.

It is an arithmetic number, because the mean of its divisors is an integer number (5684487081).

Almost surely, 2^22371207161 is an apocalyptic number.

It is an amenable number.

22371207161 is a deficient number, since it is larger than the sum of its proper divisors (366741163).

22371207161 is an equidigital number, since it uses as much as digits as its factorization.

22371207161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366741162.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 22371207161 in words is "twenty-two billion, three hundred seventy-one million, two hundred seven thousand, one hundred sixty-one".