321426224 has 40 divisors (see below), whose sum is σ = 729099168. Its totient is φ = 134392320.

The previous prime is 321426223. The next prime is 321426233. The reversal of 321426224 is 422624123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321426193 and 321426202.

It is not an unprimeable number, because it can be changed into a prime (321426221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30407 + ... + 39590.

Almost surely, 2^321426224 is an apocalyptic number.

It is an amenable number.

321426224 is an abundant number, since it is smaller than the sum of its proper divisors (407672944).

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

321426224 is a wasteful number, since it uses less digits than its factorization.

321426224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70053 (or 70047 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 321426224 is about 17928.3636732413. The cubic root of 321426224 is about 685.0050430303.

The spelling of 321426224 in words is "three hundred twenty-one million, four hundred twenty-six thousand, two hundred twenty-four".