222101057 has 2 divisors, whose sum is σ = 222101058. Its totient is φ = 222101056.

The previous prime is 222101023. The next prime is 222101069. The reversal of 222101057 is 750101222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194212096 + 27888961 = 13936^2 + 5281^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101057 - 2¹⁸ = 221838913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222101017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050528 + 111050529.

It is an arithmetic number, because the mean of its divisors is an integer number (111050529).

Almost surely, 2^222101057 is an apocalyptic number.

It is an amenable number.

222101057 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101057 is an equidigital number, since it uses as much as digits as its factorization.

222101057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 222101057 is about 14903.0552907785. The cubic root of 222101057 is about 605.5967583532.

Adding to 222101057 its reverse (750101222), we get a palindrome (972202279).

The spelling of 222101057 in words is "two hundred twenty-two million, one hundred one thousand, fifty-seven".