320272222 has 32 divisors (see below), whose sum is σ = 513273600. Its totient is φ = 149610240.

The previous prime is 320272219. The next prime is 320272223. The reversal of 320272222 is 222272023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320272193 and 320272202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320272223) 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, 341338 + ... + 342274.

It is an arithmetic number, because the mean of its divisors is an integer number (16039800).

Almost surely, 2^320272222 is an apocalyptic number.

320272222 is a deficient number, since it is larger than the sum of its proper divisors (193001378).

320272222 is a wasteful number, since it uses less digits than its factorization.

320272222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 320272222 is about 17896.1510387010. The cubic root of 320272222 is about 684.1842791445.

The spelling of 320272222 in words is "three hundred twenty million, two hundred seventy-two thousand, two hundred twenty-two".