320421422226 has 64 divisors (see below), whose sum is σ = 661026871296. Its totient is φ = 103484304000.

The previous prime is 320421422219. The next prime is 320421422267. The reversal of 320421422226 is 622224124023.

It is a junction number, because it is equal to n+sod(n) for n = 320421422193 and 320421422202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64716051 + ... + 64721001.

It is an arithmetic number, because the mean of its divisors is an integer number (10328544864).

Almost surely, 2^320421422226 is an apocalyptic number.

320421422226 is an abundant number, since it is smaller than the sum of its proper divisors (340605449070).

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

320421422226 is a wasteful number, since it uses less digits than its factorization.

320421422226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 320421422226 its reverse (622224124023), we get a palindrome (942645546249).

The spelling of 320421422226 in words is "three hundred twenty billion, four hundred twenty-one million, four hundred twenty-two thousand, two hundred twenty-six".