130422222 has 72 divisors (see below), whose sum is σ = 340119000. Its totient is φ = 35971488.

The previous prime is 130422221. The next prime is 130422277. The reversal of 130422222 is 222224031.

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

130422222 is a modest number, since divided by 22222 gives 1304 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 130422195 and 130422204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130422221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23029 + ... + 28127.

It is an arithmetic number, because the mean of its divisors is an integer number (4723875).

Almost surely, 2^130422222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130422222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170059500).

130422222 is an abundant number, since it is smaller than the sum of its proper divisors (209696778).

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

130422222 is a wasteful number, since it uses less digits than its factorization.

130422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150 (or 5140 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 130422222 is about 11420.2549008330. The cubic root of 130422222 is about 507.1275428103.

Adding to 130422222 its reverse (222224031), we get a palindrome (352646253).

The spelling of 130422222 in words is "one hundred thirty million, four hundred twenty-two thousand, two hundred twenty-two".