332077770221 has 2 divisors, whose sum is σ = 332077770222. Its totient is φ = 332077770220.

The previous prime is 332077770191. The next prime is 332077770259. The reversal of 332077770221 is 122077770233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322249228900 + 9828541321 = 567670^2 + 99139^2 .

It is a cyclic number.

It is not a de Polignac number, because 332077770221 - 2¹⁴ = 332077753837 is a prime.

It is a super-2 number, since 2×332077770221² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332077730221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166038885110 + 166038885111.

It is an arithmetic number, because the mean of its divisors is an integer number (166038885111).

Almost surely, 2^332077770221 is an apocalyptic number.

It is an amenable number.

332077770221 is a deficient number, since it is larger than the sum of its proper divisors (1).

332077770221 is an equidigital number, since it uses as much as digits as its factorization.

332077770221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172872, while the sum is 41.

The spelling of 332077770221 in words is "three hundred thirty-two billion, seventy-seven million, seven hundred seventy thousand, two hundred twenty-one".