130291222 has 4 divisors (see below), whose sum is σ = 195436836. Its totient is φ = 65145610.

The previous prime is 130291211. The next prime is 130291237. The reversal of 130291222 is 222192031.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 130291193 and 130291202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32572804 + ... + 32572807.

It is an arithmetic number, because the mean of its divisors is an integer number (48859209).

Almost surely, 2^130291222 is an apocalyptic number.

130291222 is a deficient number, since it is larger than the sum of its proper divisors (65145614).

130291222 is an equidigital number, since it uses as much as digits as its factorization.

130291222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65145613.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 130291222 is about 11414.5180362554. The cubic root of 130291222 is about 506.9576945483.

The spelling of 130291222 in words is "one hundred thirty million, two hundred ninety-one thousand, two hundred twenty-two".