222001969957 has 2 divisors, whose sum is σ = 222001969958. Its totient is φ = 222001969956.

The previous prime is 222001969901. The next prime is 222001969961. The reversal of 222001969957 is 759969100222.

222001969957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134330313121 + 87671656836 = 366511^2 + 296094^2 .

It is a cyclic number.

It is not a de Polignac number, because 222001969957 - 2¹⁵ = 222001937189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222001969997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000984978 + 111000984979.

It is an arithmetic number, because the mean of its divisors is an integer number (111000984979).

Almost surely, 2^222001969957 is an apocalyptic number.

It is an amenable number.

222001969957 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001969957 is an equidigital number, since it uses as much as digits as its factorization.

222001969957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 222001969957 in words is "two hundred twenty-two billion, one million, nine hundred sixty-nine thousand, nine hundred fifty-seven".