222607157 has 2 divisors, whose sum is σ = 222607158. Its totient is φ = 222607156.

The previous prime is 222607141. The next prime is 222607183. The reversal of 222607157 is 751706222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170276401 + 52330756 = 13049^2 + 7234^2 .

It is a cyclic number.

It is not a de Polignac number, because 222607157 - 2⁴ = 222607141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222607127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111303578 + 111303579.

It is an arithmetic number, because the mean of its divisors is an integer number (111303579).

Almost surely, 2^222607157 is an apocalyptic number.

It is an amenable number.

222607157 is a deficient number, since it is larger than the sum of its proper divisors (1).

222607157 is an equidigital number, since it uses as much as digits as its factorization.

222607157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 222607157 is about 14920.0253686111. The cubic root of 222607157 is about 606.0563989887.

The spelling of 222607157 in words is "two hundred twenty-two million, six hundred seven thousand, one hundred fifty-seven".