222625157 has 2 divisors, whose sum is σ = 222625158. Its totient is φ = 222625156.

The previous prime is 222625129. The next prime is 222625159. The reversal of 222625157 is 751526222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142898116 + 79727041 = 11954^2 + 8929^2 .

It is a cyclic number.

It is not a de Polignac number, because 222625157 - 2⁶ = 222625093 is a prime.

Together with 222625159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222625159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111312578 + 111312579.

It is an arithmetic number, because the mean of its divisors is an integer number (111312579).

Almost surely, 2^222625157 is an apocalyptic number.

It is an amenable number.

222625157 is a deficient number, since it is larger than the sum of its proper divisors (1).

222625157 is an equidigital number, since it uses as much as digits as its factorization.

222625157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 222625157 is about 14920.6285725502. The cubic root of 222625157 is about 606.0727337752.

The spelling of 222625157 in words is "two hundred twenty-two million, six hundred twenty-five thousand, one hundred fifty-seven".