329812223 has 16 divisors (see below), whose sum is σ = 377213760. Its totient is φ = 285666816.

The previous prime is 329812129. The next prime is 329812247. The reversal of 329812223 is 322218923.

It is a cyclic number.

It is not a de Polignac number, because 329812223 - 2⁸ = 329811967 is a prime.

It is a super-2 number, since 2×329812223² = 217552204880403458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 329812223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329812423) 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, 77261 + ... + 81417.

It is an arithmetic number, because the mean of its divisors is an integer number (23575860).

Almost surely, 2^329812223 is an apocalyptic number.

329812223 is a deficient number, since it is larger than the sum of its proper divisors (47401537).

329812223 is a wasteful number, since it uses less digits than its factorization.

329812223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546.

The product of its digits is 10368, while the sum is 32.

The square root of 329812223 is about 18160.7329973214. The cubic root of 329812223 is about 690.9112255521.

The spelling of 329812223 in words is "three hundred twenty-nine million, eight hundred twelve thousand, two hundred twenty-three".