222002200021057 has 2 divisors, whose sum is σ = 222002200021058. Its totient is φ = 222002200021056.

The previous prime is 222002200020943. The next prime is 222002200021079. The reversal of 222002200021057 is 750120002200222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194979918717441 + 27022281303616 = 13963521^2 + 5198296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222002200021057 is a prime.

It is a super-5 number, since 5×222002200021057⁵ (a number of 73 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (222002200021957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001100010528 + 111001100010529.

It is an arithmetic number, because the mean of its divisors is an integer number (111001100010529).

Almost surely, 2^{222002200021057} is an apocalyptic number.

It is an amenable number.

222002200021057 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002200021057 is an equidigital number, since it uses as much as digits as its factorization.

222002200021057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

Adding to 222002200021057 its reverse (750120002200222), we get a palindrome (972122202221279).

The spelling of 222002200021057 in words is "two hundred twenty-two trillion, two billion, two hundred million, twenty-one thousand, fifty-seven".