130422221 has 2 divisors, whose sum is σ = 130422222. Its totient is φ = 130422220.

The previous prime is 130422217. The next prime is 130422277. The reversal of 130422221 is 122224031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117961321 + 12460900 = 10861^2 + 3530^2 .

It is a cyclic number.

It is not a de Polignac number, because 130422221 - 2² = 130422217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130422221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130425221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65211110 + 65211111.

It is an arithmetic number, because the mean of its divisors is an integer number (65211111).

Almost surely, 2^130422221 is an apocalyptic number.

It is an amenable number.

130422221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130422221 is an equidigital number, since it uses as much as digits as its factorization.

130422221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 130422221 is about 11420.2548570511. The cubic root of 130422221 is about 507.1275415142.

Adding to 130422221 its reverse (122224031), we get a palindrome (252646252).

The spelling of 130422221 in words is "one hundred thirty million, four hundred twenty-two thousand, two hundred twenty-one".