130342221 has 12 divisors (see below), whose sum is σ = 188371872. Its totient is φ = 86848776.

The previous prime is 130342207. The next prime is 130342229. The reversal of 130342221 is 122243031.

It is not a de Polignac number, because 130342221 - 2⁵ = 130342189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130342194 and 130342203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130342229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27960 + ... + 32286.

It is an arithmetic number, because the mean of its divisors is an integer number (15697656).

Almost surely, 2^130342221 is an apocalyptic number.

It is an amenable number.

130342221 is a deficient number, since it is larger than the sum of its proper divisors (58029651).

130342221 is a wasteful number, since it uses less digits than its factorization.

130342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680 (or 7677 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130342221 is about 11416.7517709723. The cubic root of 130342221 is about 507.0238309119.

Adding to 130342221 its reverse (122243031), we get a palindrome (252585252).

The spelling of 130342221 in words is "one hundred thirty million, three hundred forty-two thousand, two hundred twenty-one".