33221330057 has 2 divisors, whose sum is σ = 33221330058. Its totient is φ = 33221330056.

The previous prime is 33221329997. The next prime is 33221330089. The reversal of 33221330057 is 75003312233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28985403001 + 4235927056 = 170251^2 + 65084^2 .

It is a cyclic number.

It is not a de Polignac number, because 33221330057 - 2²⁰ = 33220281481 is a prime.

It is a super-2 number, since 2×33221330057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33221330357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610665028 + 16610665029.

It is an arithmetic number, because the mean of its divisors is an integer number (16610665029).

Almost surely, 2^33221330057 is an apocalyptic number.

It is an amenable number.

33221330057 is a deficient number, since it is larger than the sum of its proper divisors (1).

33221330057 is an equidigital number, since it uses as much as digits as its factorization.

33221330057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 29.

The spelling of 33221330057 in words is "thirty-three billion, two hundred twenty-one million, three hundred thirty thousand, fifty-seven".