222141251 has 2 divisors, whose sum is σ = 222141252. Its totient is φ = 222141250.

The previous prime is 222141211. The next prime is 222141259. The reversal of 222141251 is 152141222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222141251 - 2⁶ = 222141187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222141259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111070625 + 111070626.

It is an arithmetic number, because the mean of its divisors is an integer number (111070626).

Almost surely, 2^222141251 is an apocalyptic number.

222141251 is a deficient number, since it is larger than the sum of its proper divisors (1).

222141251 is an equidigital number, since it uses as much as digits as its factorization.

222141251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 20.

The square root of 222141251 is about 14904.4037452023. The cubic root of 222141251 is about 605.6332881027.

Adding to 222141251 its reverse (152141222), we get a palindrome (374282473).

The spelling of 222141251 in words is "two hundred twenty-two million, one hundred forty-one thousand, two hundred fifty-one".