223322305537 has 2 divisors, whose sum is σ = 223322305538. Its totient is φ = 223322305536.

The previous prime is 223322305529. The next prime is 223322305573. The reversal of 223322305537 is 735503223322.

Together with next prime (223322305573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209543302081 + 13779003456 = 457759^2 + 117384^2 .

It is a cyclic number.

It is not a de Polignac number, because 223322305537 - 2³ = 223322305529 is a prime.

It is a super-2 number, since 2×223322305537² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223322305496 and 223322305505.

It is not a weakly prime, because it can be changed into another prime (223322375537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111661152768 + 111661152769.

It is an arithmetic number, because the mean of its divisors is an integer number (111661152769).

Almost surely, 2^223322305537 is an apocalyptic number.

It is an amenable number.

223322305537 is a deficient number, since it is larger than the sum of its proper divisors (1).

223322305537 is an equidigital number, since it uses as much as digits as its factorization.

223322305537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 37.

Adding to 223322305537 its reverse (735503223322), we get a palindrome (958825528859).

The spelling of 223322305537 in words is "two hundred twenty-three billion, three hundred twenty-two million, three hundred five thousand, five hundred thirty-seven".