222589648537 has 2 divisors, whose sum is σ = 222589648538. Its totient is φ = 222589648536.

The previous prime is 222589648499. The next prime is 222589648573. The reversal of 222589648537 is 735846985222.

Together with next prime (222589648573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205235274841 + 17354373696 = 453029^2 + 131736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222589648537 is a prime.

It is a super-3 number, since 3×222589648537³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (222589648577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111294824268 + 111294824269.

It is an arithmetic number, because the mean of its divisors is an integer number (111294824269).

Almost surely, 2^222589648537 is an apocalyptic number.

It is an amenable number.

222589648537 is a deficient number, since it is larger than the sum of its proper divisors (1).

222589648537 is an equidigital number, since it uses as much as digits as its factorization.

222589648537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58060800, while the sum is 61.

The spelling of 222589648537 in words is "two hundred twenty-two billion, five hundred eighty-nine million, six hundred forty-eight thousand, five hundred thirty-seven".