329221422 has 80 divisors (see below), whose sum is σ = 786745872. Its totient is φ = 102539520.

The previous prime is 329221411. The next prime is 329221423. The reversal of 329221422 is 224122923.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329221423) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 476097 + ... + 476787.

Almost surely, 2^329221422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 329221422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393372936).

329221422 is an abundant number, since it is smaller than the sum of its proper divisors (457524450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

329221422 is a wasteful number, since it uses less digits than its factorization.

329221422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 886 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 329221422 is about 18144.4598156021. The cubic root of 329221422 is about 690.4984300363.

The spelling of 329221422 in words is "three hundred twenty-nine million, two hundred twenty-one thousand, four hundred twenty-two".