222751975913 has 2 divisors, whose sum is σ = 222751975914. Its totient is φ = 222751975912.

The previous prime is 222751975909. The next prime is 222751975961. The reversal of 222751975913 is 319579157222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216105976384 + 6645999529 = 464872^2 + 81523^2 .

It is a cyclic number.

It is not a de Polignac number, because 222751975913 - 2² = 222751975909 is a prime.

It is not a weakly prime, because it can be changed into another prime (222751975813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111375987956 + 111375987957.

It is an arithmetic number, because the mean of its divisors is an integer number (111375987957).

Almost surely, 2^222751975913 is an apocalyptic number.

It is an amenable number.

222751975913 is a deficient number, since it is larger than the sum of its proper divisors (1).

222751975913 is an equidigital number, since it uses as much as digits as its factorization.

222751975913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 53.

The spelling of 222751975913 in words is "two hundred twenty-two billion, seven hundred fifty-one million, nine hundred seventy-five thousand, nine hundred thirteen".