222745197747211 has 2 divisors, whose sum is σ = 222745197747212. Its totient is φ = 222745197747210.

The previous prime is 222745197747179. The next prime is 222745197747311. The reversal of 222745197747211 is 112747791547222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222745197747211 - 2⁵ = 222745197747179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222745197747211.

It is not a weakly prime, because it can be changed into another prime (222745197747311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111372598873605 + 111372598873606.

It is an arithmetic number, because the mean of its divisors is an integer number (111372598873606).

Almost surely, 2^{222745197747211} is an apocalyptic number.

222745197747211 is a deficient number, since it is larger than the sum of its proper divisors (1).

222745197747211 is an equidigital number, since it uses as much as digits as its factorization.

222745197747211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27659520, while the sum is 61.

The spelling of 222745197747211 in words is "two hundred twenty-two trillion, seven hundred forty-five billion, one hundred ninety-seven million, seven hundred forty-seven thousand, two hundred eleven".