223032002181557 has 2 divisors, whose sum is σ = 223032002181558. Its totient is φ = 223032002181556.

The previous prime is 223032002181517. The next prime is 223032002181563. The reversal of 223032002181557 is 755181200230322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155152957393681 + 67879044787876 = 12456041^2 + 8238874^2 .

It is a cyclic number.

It is not a de Polignac number, because 223032002181557 - 2¹² = 223032002177461 is a prime.

It is a super-2 number, since 2×223032002181557² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223032002181517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111516001090778 + 111516001090779.

It is an arithmetic number, because the mean of its divisors is an integer number (111516001090779).

Almost surely, 2^{223032002181557} is an apocalyptic number.

It is an amenable number.

223032002181557 is a deficient number, since it is larger than the sum of its proper divisors (1).

223032002181557 is an equidigital number, since it uses as much as digits as its factorization.

223032002181557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 223032002181557 in words is "two hundred twenty-three trillion, thirty-two billion, two million, one hundred eighty-one thousand, five hundred fifty-seven".