222761093081 has 2 divisors, whose sum is σ = 222761093082. Its totient is φ = 222761093080.

The previous prime is 222761093063. The next prime is 222761093117. The reversal of 222761093081 is 180390167222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219500683081 + 3260410000 = 468509^2 + 57100^2 .

It is a cyclic number.

It is not a de Polignac number, because 222761093081 - 2¹⁴ = 222761076697 is a prime.

It is a super-2 number, since 2×222761093081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222761093281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111380546540 + 111380546541.

It is an arithmetic number, because the mean of its divisors is an integer number (111380546541).

Almost surely, 2^222761093081 is an apocalyptic number.

It is an amenable number.

222761093081 is a deficient number, since it is larger than the sum of its proper divisors (1).

222761093081 is an equidigital number, since it uses as much as digits as its factorization.

222761093081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 222761093081 in words is "two hundred twenty-two billion, seven hundred sixty-one million, ninety-three thousand, eighty-one".