222772241377601 has 2 divisors, whose sum is σ = 222772241377602. Its totient is φ = 222772241377600.

The previous prime is 222772241377463. The next prime is 222772241377619. The reversal of 222772241377601 is 106773142277222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155737920250000 + 67034321127601 = 12479500^2 + 8187449^2 .

It is a cyclic number.

It is not a de Polignac number, because 222772241377601 - 2²² = 222772237183297 is a prime.

It is not a weakly prime, because it can be changed into another prime (222772241377661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111386120688800 + 111386120688801.

It is an arithmetic number, because the mean of its divisors is an integer number (111386120688801).

Almost surely, 2^{222772241377601} is an apocalyptic number.

It is an amenable number.

222772241377601 is a deficient number, since it is larger than the sum of its proper divisors (1).

222772241377601 is an equidigital number, since it uses as much as digits as its factorization.

222772241377601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5531904, while the sum is 53.

The spelling of 222772241377601 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, two hundred forty-one million, three hundred seventy-seven thousand, six hundred one".