332220820997 has 16 divisors (see below), whose sum is σ = 358660221360. Its totient is φ = 305908088832.

The previous prime is 332220820993. The next prime is 332220821017. The reversal of 332220820997 is 799028022233.

It is a Cunningham number, because it is equal to 576386²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 111809476 + 332109011521 = 10574^2 + 576289^2 .

It is a cyclic number.

It is not a de Polignac number, because 332220820997 - 2² = 332220820993 is a prime.

It is a super-2 number, since 2×332220820997² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332220820993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32034629 + ... + 32044997.

It is an arithmetic number, because the mean of its divisors is an integer number (22416263835).

Almost surely, 2^332220820997 is an apocalyptic number.

It is an amenable number.

332220820997 is a deficient number, since it is larger than the sum of its proper divisors (26439400363).

332220820997 is a wasteful number, since it uses less digits than its factorization.

332220820997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16232.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 332220820997 in words is "three hundred thirty-two billion, two hundred twenty million, eight hundred twenty thousand, nine hundred ninety-seven".