222772241377709 has 2 divisors, whose sum is σ = 222772241377710. Its totient is φ = 222772241377708.

The previous prime is 222772241377661. The next prime is 222772241377723. The reversal of 222772241377709 is 907773142277222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145076002562500 + 77696238815209 = 12044750^2 + 8814547^2 .

It is a cyclic number.

It is not a de Polignac number, because 222772241377709 - 2²⁴ = 222772224600493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222772241377759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111386120688854 + 111386120688855.

It is an arithmetic number, because the mean of its divisors is an integer number (111386120688855).

Almost surely, 2^{222772241377709} is an apocalyptic number.

It is an amenable number.

222772241377709 is a deficient number, since it is larger than the sum of its proper divisors (1).

222772241377709 is an equidigital number, since it uses as much as digits as its factorization.

222772241377709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58084992, while the sum is 62.

The spelling of 222772241377709 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, two hundred forty-one million, three hundred seventy-seven thousand, seven hundred nine".