222201970931 has 2 divisors, whose sum is σ = 222201970932. Its totient is φ = 222201970930.

The previous prime is 222201970927. The next prime is 222201970933. The reversal of 222201970931 is 139079102222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222201970931 - 2² = 222201970927 is a prime.

It is a super-2 number, since 2×222201970931² (a number of 23 digits) contains 22 as substring.

Together with 222201970933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222201970933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100985465 + 111100985466.

It is an arithmetic number, because the mean of its divisors is an integer number (111100985466).

Almost surely, 2^222201970931 is an apocalyptic number.

222201970931 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201970931 is an equidigital number, since it uses as much as digits as its factorization.

222201970931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 222201970931 in words is "two hundred twenty-two billion, two hundred one million, nine hundred seventy thousand, nine hundred thirty-one".