222772437336349 has 2 divisors, whose sum is σ = 222772437336350. Its totient is φ = 222772437336348.

The previous prime is 222772437336301. The next prime is 222772437336353. The reversal of 222772437336349 is 943633734277222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222585214104100 + 187223232249 = 14919290^2 + 432693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222772437336349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222772437336649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111386218668174 + 111386218668175.

It is an arithmetic number, because the mean of its divisors is an integer number (111386218668175).

Almost surely, 2^{222772437336349} is an apocalyptic number.

It is an amenable number.

222772437336349 is a deficient number, since it is larger than the sum of its proper divisors (1).

222772437336349 is an equidigital number, since it uses as much as digits as its factorization.

222772437336349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384072192, while the sum is 64.

The spelling of 222772437336349 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, four hundred thirty-seven million, three hundred thirty-six thousand, three hundred forty-nine".