130222786 has 8 divisors (see below), whose sum is σ = 195652620. Its totient is φ = 65005248.

The previous prime is 130222783. The next prime is 130222787. The reversal of 130222786 is 687222031.

It can be written as a sum of positive squares in 2 ways, for example, as 89019225 + 41203561 = 9435^2 + 6419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130222783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51531 + ... + 53998.

Almost surely, 2^130222786 is an apocalyptic number.

130222786 is a deficient number, since it is larger than the sum of its proper divisors (65429834).

130222786 is a wasteful number, since it uses less digits than its factorization.

130222786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106148.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 130222786 is about 11411.5198812428. The cubic root of 130222786 is about 506.8689184654.

The spelling of 130222786 in words is "one hundred thirty million, two hundred twenty-two thousand, seven hundred eighty-six".