223266000557 has 2 divisors, whose sum is σ = 223266000558. Its totient is φ = 223266000556.

The previous prime is 223266000511. The next prime is 223266000611. The reversal of 223266000557 is 755000662322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177865471081 + 45400529476 = 421741^2 + 213074^2 .

It is a cyclic number.

It is not a de Polignac number, because 223266000557 - 2⁶ = 223266000493 is a prime.

It is a super-3 number, since 3×223266000557³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223266000557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223266090557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111633000278 + 111633000279.

It is an arithmetic number, because the mean of its divisors is an integer number (111633000279).

Almost surely, 2^223266000557 is an apocalyptic number.

It is an amenable number.

223266000557 is a deficient number, since it is larger than the sum of its proper divisors (1).

223266000557 is an equidigital number, since it uses as much as digits as its factorization.

223266000557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

Adding to 223266000557 its reverse (755000662322), we get a palindrome (978266662879).

The spelling of 223266000557 in words is "two hundred twenty-three billion, two hundred sixty-six million, five hundred fifty-seven", and thus it is an aban number.