223295557 has 2 divisors, whose sum is σ = 223295558. Its totient is φ = 223295556.

The previous prime is 223295551. The next prime is 223295623. The reversal of 223295557 is 755592322.

It is a happy number.

223295557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201895681 + 21399876 = 14209^2 + 4626^2 .

It is a cyclic number.

It is not a de Polignac number, because 223295557 - 2¹⁵ = 223262789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223295551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111647778 + 111647779.

It is an arithmetic number, because the mean of its divisors is an integer number (111647779).

Almost surely, 2^223295557 is an apocalyptic number.

It is an amenable number.

223295557 is a deficient number, since it is larger than the sum of its proper divisors (1).

223295557 is an equidigital number, since it uses as much as digits as its factorization.

223295557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 40.

The square root of 223295557 is about 14943.0772265956. The cubic root of 223295557 is about 606.6804877837.

The spelling of 223295557 in words is "two hundred twenty-three million, two hundred ninety-five thousand, five hundred fifty-seven".