223222202257 has 2 divisors, whose sum is σ = 223222202258. Its totient is φ = 223222202256.

The previous prime is 223222202201. The next prime is 223222202303. The reversal of 223222202257 is 752202222322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119796285456 + 103425916801 = 346116^2 + 321599^2 .

It is a cyclic number.

It is not a de Polignac number, because 223222202257 - 2²³ = 223213813649 is a prime.

It is a super-3 number, since 3×223222202257³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223222202057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111611101128 + 111611101129.

It is an arithmetic number, because the mean of its divisors is an integer number (111611101129).

Almost surely, 2^223222202257 is an apocalyptic number.

It is an amenable number.

223222202257 is a deficient number, since it is larger than the sum of its proper divisors (1).

223222202257 is an equidigital number, since it uses as much as digits as its factorization.

223222202257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 31.

Adding to 223222202257 its reverse (752202222322), we get a palindrome (975424424579).

The spelling of 223222202257 in words is "two hundred twenty-three billion, two hundred twenty-two million, two hundred two thousand, two hundred fifty-seven".