222201157 has 2 divisors, whose sum is σ = 222201158. Its totient is φ = 222201156.

The previous prime is 222201127. The next prime is 222201163. The reversal of 222201157 is 751102222.

222201157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222188836 + 12321 = 14906^2 + 111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222201157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222201127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100578 + 111100579.

It is an arithmetic number, because the mean of its divisors is an integer number (111100579).

Almost surely, 2^222201157 is an apocalyptic number.

It is an amenable number.

222201157 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201157 is an equidigital number, since it uses as much as digits as its factorization.

222201157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 222201157 is about 14906.4132842210. The cubic root of 222201157 is about 605.6877246481.

Adding to 222201157 its reverse (751102222), we get a palindrome (973303379).

The spelling of 222201157 in words is "two hundred twenty-two million, two hundred one thousand, one hundred fifty-seven".