320102226 has 32 divisors (see below), whose sum is σ = 721091520. Its totient is φ = 105237792.

The previous prime is 320102221. The next prime is 320102227. The reversal of 320102226 is 622201023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320102199 and 320102208.

It is not an unprimeable number, because it can be changed into a prime (320102221) 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, 36660 + ... + 44543.

It is an arithmetic number, because the mean of its divisors is an integer number (22534110).

Almost surely, 2^320102226 is an apocalyptic number.

320102226 is an abundant number, since it is smaller than the sum of its proper divisors (400989294).

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

320102226 is a wasteful number, since it uses less digits than its factorization.

320102226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81287 (or 81281 counting only the distinct ones).

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

The square root of 320102226 is about 17891.4008954022. The cubic root of 320102226 is about 684.0632059167.

Adding to 320102226 its reverse (622201023), we get a palindrome (942303249).

The spelling of 320102226 in words is "three hundred twenty million, one hundred two thousand, two hundred twenty-six".