222002001251 has 2 divisors, whose sum is σ = 222002001252. Its totient is φ = 222002001250.

The previous prime is 222002001203. The next prime is 222002001257. The reversal of 222002001251 is 152100200222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222002001251 - 2³⁰ = 220928259427 is a prime.

It is not a weakly prime, because it can be changed into another prime (222002001257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001000625 + 111001000626.

It is an arithmetic number, because the mean of its divisors is an integer number (111001000626).

Almost surely, 2^222002001251 is an apocalyptic number.

222002001251 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002001251 is an equidigital number, since it uses as much as digits as its factorization.

222002001251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 222002001251 its reverse (152100200222), we get a palindrome (374102201473).

The spelling of 222002001251 in words is "two hundred twenty-two billion, two million, one thousand, two hundred fifty-one".