223350665220457 has 2 divisors, whose sum is σ = 223350665220458. Its totient is φ = 223350665220456.

The previous prime is 223350665220451. The next prime is 223350665220491. The reversal of 223350665220457 is 754022566053322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173509592668416 + 49841072552041 = 13172304^2 + 7059821^2 .

It is a cyclic number.

It is not a de Polignac number, because 223350665220457 - 2¹⁹ = 223350664696169 is a prime.

It is a super-2 number, since 2×223350665220457² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223350665220451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111675332610228 + 111675332610229.

It is an arithmetic number, because the mean of its divisors is an integer number (111675332610229).

Almost surely, 2^{223350665220457} is an apocalyptic number.

It is an amenable number.

223350665220457 is a deficient number, since it is larger than the sum of its proper divisors (1).

223350665220457 is an equidigital number, since it uses as much as digits as its factorization.

223350665220457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 52.

The spelling of 223350665220457 in words is "two hundred twenty-three trillion, three hundred fifty billion, six hundred sixty-five million, two hundred twenty thousand, four hundred fifty-seven".