222137834857 has 2 divisors, whose sum is σ = 222137834858. Its totient is φ = 222137834856.

The previous prime is 222137834827. The next prime is 222137834869. The reversal of 222137834857 is 758438731222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190419649641 + 31718185216 = 436371^2 + 178096^2 .

It is a cyclic number.

It is not a de Polignac number, because 222137834857 - 2³¹ = 219990351209 is a prime.

It is not a weakly prime, because it can be changed into another prime (222137834827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111068917428 + 111068917429.

It is an arithmetic number, because the mean of its divisors is an integer number (111068917429).

Almost surely, 2^222137834857 is an apocalyptic number.

It is an amenable number.

222137834857 is a deficient number, since it is larger than the sum of its proper divisors (1).

222137834857 is an equidigital number, since it uses as much as digits as its factorization.

222137834857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 52.

The spelling of 222137834857 in words is "two hundred twenty-two billion, one hundred thirty-seven million, eight hundred thirty-four thousand, eight hundred fifty-seven".