130022442 has 64 divisors (see below), whose sum is σ = 319749120. Its totient is φ = 38833200.

The previous prime is 130022437. The next prime is 130022449. The reversal of 130022442 is 244220031.

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

It is not an unprimeable number, because it can be changed into a prime (130022449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40633 + ... + 43715.

It is an arithmetic number, because the mean of its divisors is an integer number (4996080).

Almost surely, 2^130022442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130022442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159874560).

130022442 is an abundant number, since it is smaller than the sum of its proper divisors (189726678).

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

130022442 is a wasteful number, since it uses less digits than its factorization.

130022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176 (or 3170 counting only the distinct ones).

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

The square root of 130022442 is about 11402.7383553250. The cubic root of 130022442 is about 506.6088506474.

Adding to 130022442 its reverse (244220031), we get a palindrome (374242473).

The spelling of 130022442 in words is "one hundred thirty million, twenty-two thousand, four hundred forty-two".