222250957 has 2 divisors, whose sum is σ = 222250958. Its totient is φ = 222250956.

The previous prime is 222250949. The next prime is 222250981. The reversal of 222250957 is 759052222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112126921 + 110124036 = 10589^2 + 10494^2 .

It is a cyclic number.

It is not a de Polignac number, because 222250957 - 2³ = 222250949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222253957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111125478 + 111125479.

It is an arithmetic number, because the mean of its divisors is an integer number (111125479).

Almost surely, 2^222250957 is an apocalyptic number.

It is an amenable number.

222250957 is a deficient number, since it is larger than the sum of its proper divisors (1).

222250957 is an equidigital number, since it uses as much as digits as its factorization.

222250957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 222250957 is about 14908.0836125909. The cubic root of 222250957 is about 605.7329704304.

The spelling of 222250957 in words is "two hundred twenty-two million, two hundred fifty thousand, nine hundred fifty-seven".