320222130 has 32 divisors (see below), whose sum is σ = 769099968. Its totient is φ = 85329600.

The previous prime is 320222117. The next prime is 320222167. The reversal of 320222130 is 31222023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49165 + ... + 55295.

It is an arithmetic number, because the mean of its divisors is an integer number (24034374).

Almost surely, 2^320222130 is an apocalyptic number.

320222130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320222130 is an abundant number, since it is smaller than the sum of its proper divisors (448877838).

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

320222130 is a wasteful number, since it uses less digits than its factorization.

320222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320222130 is about 17894.7514651643. The cubic root of 320222130 is about 684.1486074633.

Adding to 320222130 its reverse (31222023), we get a palindrome (351444153).

The spelling of 320222130 in words is "three hundred twenty million, two hundred twenty-two thousand, one hundred thirty".