32222990257 has 2 divisors, whose sum is σ = 32222990258. Its totient is φ = 32222990256.

The previous prime is 32222990237. The next prime is 32222990263. The reversal of 32222990257 is 75209922223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31966221681 + 256768576 = 178791^2 + 16024^2 .

It is a cyclic number.

It is not a de Polignac number, because 32222990257 - 2¹¹ = 32222988209 is a prime.

It is a super-2 number, since 2×32222990257² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32222990227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16111495128 + 16111495129.

It is an arithmetic number, because the mean of its divisors is an integer number (16111495129).

Almost surely, 2^32222990257 is an apocalyptic number.

It is an amenable number.

32222990257 is a deficient number, since it is larger than the sum of its proper divisors (1).

32222990257 is an equidigital number, since it uses as much as digits as its factorization.

32222990257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 32222990257 in words is "thirty-two billion, two hundred twenty-two million, nine hundred ninety thousand, two hundred fifty-seven".