222114157 has 2 divisors, whose sum is σ = 222114158. Its totient is φ = 222114156.

The previous prime is 222114143. The next prime is 222114169. The reversal of 222114157 is 751411222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221980201 + 133956 = 14899^2 + 366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222114157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222114187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111057078 + 111057079.

It is an arithmetic number, because the mean of its divisors is an integer number (111057079).

Almost surely, 2^222114157 is an apocalyptic number.

It is an amenable number.

222114157 is a deficient number, since it is larger than the sum of its proper divisors (1).

222114157 is an equidigital number, since it uses as much as digits as its factorization.

222114157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 25.

The square root of 222114157 is about 14903.4947914910. The cubic root of 222114157 is about 605.6086645874.

Adding to 222114157 its reverse (751411222), we get a palindrome (973525379).

The spelling of 222114157 in words is "two hundred twenty-two million, one hundred fourteen thousand, one hundred fifty-seven".