130221222 has 16 divisors (see below), whose sum is σ = 261753600. Its totient is φ = 43188552.

The previous prime is 130221209. The next prime is 130221233. The reversal of 130221222 is 222122031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53338 + ... + 55725.

It is an arithmetic number, because the mean of its divisors is an integer number (16359600).

Almost surely, 2^130221222 is an apocalyptic number.

130221222 is an abundant number, since it is smaller than the sum of its proper divisors (131532378).

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

130221222 is a wasteful number, since it uses less digits than its factorization.

130221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109267.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130221222 is about 11411.4513537937. The cubic root of 130221222 is about 506.8668892605.

Adding to 130221222 its reverse (222122031), we get a palindrome (352343253).

The spelling of 130221222 in words is "one hundred thirty million, two hundred twenty-one thousand, two hundred twenty-two".