2222135421257 has 2 divisors, whose sum is σ = 2222135421258. Its totient is φ = 2222135421256.

The previous prime is 2222135421229. The next prime is 2222135421299. The reversal of 2222135421257 is 7521245312222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2103692068921 + 118443352336 = 1450411^2 + 344156^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222135421257 - 2⁸ = 2222135421001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222135421257.

It is not a weakly prime, because it can be changed into another prime (2222135429257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111067710628 + 1111067710629.

It is an arithmetic number, because the mean of its divisors is an integer number (1111067710629).

Almost surely, 2^{2222135421257} is an apocalyptic number.

It is an amenable number.

2222135421257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222135421257 is an equidigital number, since it uses as much as digits as its factorization.

2222135421257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 38.

The spelling of 2222135421257 in words is "two trillion, two hundred twenty-two billion, one hundred thirty-five million, four hundred twenty-one thousand, two hundred fifty-seven".