322421228 has 6 divisors (see below), whose sum is σ = 564237156. Its totient is φ = 161210612.

The previous prime is 322421227. The next prime is 322421233. The reversal of 322421228 is 822124223.

It is a junction number, because it is equal to n+sod(n) for n = 322421197 and 322421206.

It is not an unprimeable number, because it can be changed into a prime (322421221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40302650 + ... + 40302657.

It is an arithmetic number, because the mean of its divisors is an integer number (94039526).

Almost surely, 2^322421228 is an apocalyptic number.

It is an amenable number.

322421228 is a deficient number, since it is larger than the sum of its proper divisors (241815928).

322421228 is a wasteful number, since it uses less digits than its factorization.

322421228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80605311 (or 80605309 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 322421228 is about 17956.0916682891. The cubic root of 322421228 is about 685.7111466540.

The spelling of 322421228 in words is "three hundred twenty-two million, four hundred twenty-one thousand, two hundred twenty-eight".