321449322 has 16 divisors (see below), whose sum is σ = 647215200. Its totient is φ = 106430352.

The previous prime is 321449299. The next prime is 321449327. The reversal of 321449322 is 223944123.

It is a super-2 number, since 2×321449322² = 206659333228519368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321449322.

It is not an unprimeable number, because it can be changed into a prime (321449327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178888 + ... + 180675.

It is an arithmetic number, because the mean of its divisors is an integer number (40450950).

Almost surely, 2^321449322 is an apocalyptic number.

321449322 is an abundant number, since it is smaller than the sum of its proper divisors (325765878).

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

321449322 is a wasteful number, since it uses less digits than its factorization.

321449322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359717.

The product of its digits is 10368, while the sum is 30.

The square root of 321449322 is about 17929.0078364643. The cubic root of 321449322 is about 685.0214510128.

The spelling of 321449322 in words is "three hundred twenty-one million, four hundred forty-nine thousand, three hundred twenty-two".