222889232537 has 2 divisors, whose sum is σ = 222889232538. Its totient is φ = 222889232536.

The previous prime is 222889232411. The next prime is 222889232549. The reversal of 222889232537 is 735232988222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197726072896 + 25163159641 = 444664^2 + 158629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222889232537 is a prime.

It is not a weakly prime, because it can be changed into another prime (222889282537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111444616268 + 111444616269.

It is an arithmetic number, because the mean of its divisors is an integer number (111444616269).

Almost surely, 2^222889232537 is an apocalyptic number.

It is an amenable number.

222889232537 is a deficient number, since it is larger than the sum of its proper divisors (1).

222889232537 is an equidigital number, since it uses as much as digits as its factorization.

222889232537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 53.

The spelling of 222889232537 in words is "two hundred twenty-two billion, eight hundred eighty-nine million, two hundred thirty-two thousand, five hundred thirty-seven".