2257722207667 has 2 divisors, whose sum is σ = 2257722207668. Its totient is φ = 2257722207666.

The previous prime is 2257722207497. The next prime is 2257722207701. The reversal of 2257722207667 is 7667022277522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2257722207667 - 2³⁹ = 1707966393779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257722277667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128861103833 + 1128861103834.

It is an arithmetic number, because the mean of its divisors is an integer number (1128861103834).

Almost surely, 2^{2257722207667} is an apocalyptic number.

2257722207667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257722207667 is an equidigital number, since it uses as much as digits as its factorization.

2257722207667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13829760, while the sum is 55.

The spelling of 2257722207667 in words is "two trillion, two hundred fifty-seven billion, seven hundred twenty-two million, two hundred seven thousand, six hundred sixty-seven".