421330322 has 48 divisors (see below), whose sum is σ = 761669568. Its totient is φ = 174152160.

The previous prime is 421330319. The next prime is 421330411. The reversal of 421330322 is 223033124.

It is a junction number, because it is equal to n+sod(n) for n = 421330294 and 421330303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474563 + ... + 475449.

It is an arithmetic number, because the mean of its divisors is an integer number (15868116).

Almost surely, 2^421330322 is an apocalyptic number.

421330322 is a deficient number, since it is larger than the sum of its proper divisors (340339246).

421330322 is a wasteful number, since it uses less digits than its factorization.

421330322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 421330322 is about 20526.3324049865. The cubic root of 421330322 is about 749.6770888430.

Adding to 421330322 its reverse (223033124), we get a palindrome (644363446).

The spelling of 421330322 in words is "four hundred twenty-one million, three hundred thirty thousand, three hundred twenty-two".