322428319 has 8 divisors (see below), whose sum is σ = 336948480. Its totient is φ = 308227416.

The previous prime is 322428299. The next prime is 322428331. The reversal of 322428319 is 913824223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 322428319 - 2¹¹ = 322426271 is a prime.

It is a super-2 number, since 2×322428319² = 207920041786331522, which 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 (322428389) 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, 77749 + ... + 81790.

It is an arithmetic number, because the mean of its divisors is an integer number (42118560).

Almost surely, 2^322428319 is an apocalyptic number.

322428319 is a deficient number, since it is larger than the sum of its proper divisors (14520161).

322428319 is a wasteful number, since it uses less digits than its factorization.

322428319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159629.

The product of its digits is 20736, while the sum is 34.

The square root of 322428319 is about 17956.2891210851. The cubic root of 322428319 is about 685.7161735584.

The spelling of 322428319 in words is "three hundred twenty-two million, four hundred twenty-eight thousand, three hundred nineteen".