322013421 has 16 divisors (see below), whose sum is σ = 477805120. Its totient is φ = 214338960.

The previous prime is 322013413. The next prime is 322013423. The reversal of 322013421 is 124310223.

322013421 is a `hidden beast` number, since 322 + 0 + 1 + 342 + 1 = 666.

It is not a de Polignac number, because 322013421 - 2³ = 322013413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 322013394 and 322013403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322013423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8826 + ... + 26868.

It is an arithmetic number, because the mean of its divisors is an integer number (29862820).

Almost surely, 2^322013421 is an apocalyptic number.

It is an amenable number.

322013421 is a deficient number, since it is larger than the sum of its proper divisors (155791699).

322013421 is a wasteful number, since it uses less digits than its factorization.

322013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18713 (or 18707 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 322013421 is about 17944.7324025743. The cubic root of 322013421 is about 685.4219227423.

Adding to 322013421 its reverse (124310223), we get a palindrome (446323644).

It can be divided in two parts, 3220 and 13421, that added together give a square (16641 = 129²).

The spelling of 322013421 in words is "three hundred twenty-two million, thirteen thousand, four hundred twenty-one".