322397975601 has 135 divisors (see below), whose sum is σ = 547759118907. Its totient is φ = 188873324640.

The previous prime is 322397975593. The next prime is 322397975677. The reversal of 322397975601 is 106579793223.

The square root of 322397975601 is 567801.

It is a perfect power (a square), and thus also a powerful number.

322397975601 is a `hidden beast` number, since 3 + 2 + 2 + 3 + 9 + 79 + 7 + 560 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47692008225 + 274705967376 = 218385^2 + 524124^2 .

It is not a de Polignac number, because 322397975601 - 2³ = 322397975593 is a prime.

It is a super-2 number, since 2×322397975601² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (322397175601) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1527952386 + ... + 1527952596.

Almost surely, 2^322397975601 is an apocalyptic number.

322397975601 is the 567801-st square number.

322397975601 is the 283901-st centered octagonal number.

It is an amenable number.

322397975601 is a deficient number, since it is larger than the sum of its proper divisors (225361143306).

322397975601 is an equidigital number, since it uses as much as digits as its factorization.

322397975601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 322397975601 in words is "three hundred twenty-two billion, three hundred ninety-seven million, nine hundred seventy-five thousand, six hundred one".