223204057 has 2 divisors, whose sum is σ = 223204058. Its totient is φ = 223204056.

The previous prime is 223204031. The next prime is 223204109. The reversal of 223204057 is 750402322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165276736 + 57927321 = 12856^2 + 7611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223204057 is a prime.

It is a super-3 number, since 3×223204057³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (223204027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111602028 + 111602029.

It is an arithmetic number, because the mean of its divisors is an integer number (111602029).

Almost surely, 2^223204057 is an apocalyptic number.

It is an amenable number.

223204057 is a deficient number, since it is larger than the sum of its proper divisors (1).

223204057 is an equidigital number, since it uses as much as digits as its factorization.

223204057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 223204057 is about 14940.0152945036. The cubic root of 223204057 is about 606.5976098119.

Adding to 223204057 its reverse (750402322), we get a palindrome (973606379).

The spelling of 223204057 in words is "two hundred twenty-three million, two hundred four thousand, fifty-seven".