222764674961 has 2 divisors, whose sum is σ = 222764674962. Its totient is φ = 222764674960.

The previous prime is 222764674889. The next prime is 222764674981. The reversal of 222764674961 is 169476467222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194331970561 + 28432704400 = 440831^2 + 168620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222764674961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222764674897 and 222764674906.

It is not a weakly prime, because it can be changed into another prime (222764674981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111382337480 + 111382337481.

It is an arithmetic number, because the mean of its divisors is an integer number (111382337481).

Almost surely, 2^222764674961 is an apocalyptic number.

It is an amenable number.

222764674961 is a deficient number, since it is larger than the sum of its proper divisors (1).

222764674961 is an equidigital number, since it uses as much as digits as its factorization.

222764674961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 56.

The spelling of 222764674961 in words is "two hundred twenty-two billion, seven hundred sixty-four million, six hundred seventy-four thousand, nine hundred sixty-one".