222130057 has 2 divisors, whose sum is σ = 222130058. Its totient is φ = 222130056.

The previous prime is 222130031. The next prime is 222130061. The reversal of 222130057 is 750031222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222129216 + 841 = 14904^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 222130057 - 2¹¹ = 222128009 is a prime.

It is not a weakly prime, because it can be changed into another prime (222134057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111065028 + 111065029.

It is an arithmetic number, because the mean of its divisors is an integer number (111065029).

Almost surely, 2^222130057 is an apocalyptic number.

It is an amenable number.

222130057 is a deficient number, since it is larger than the sum of its proper divisors (1).

222130057 is an equidigital number, since it uses as much as digits as its factorization.

222130057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 222130057 is about 14904.0282138756. The cubic root of 222130057 is about 605.6231150365.

Adding to 222130057 its reverse (750031222), we get a palindrome (972161279).

The spelling of 222130057 in words is "two hundred twenty-two million, one hundred thirty thousand, fifty-seven".