130222681 has 4 divisors (see below), whose sum is σ = 130563072. Its totient is φ = 129882292.

The previous prime is 130222657. The next prime is 130222693. The reversal of 130222681 is 186222031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130222681 - 2¹³ = 130214489 is a prime.

It is a super-2 number, since 2×130222681² = 33915893293655522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130222621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169621 + ... + 170386.

It is an arithmetic number, because the mean of its divisors is an integer number (32640768).

Almost surely, 2^130222681 is an apocalyptic number.

It is an amenable number.

130222681 is a deficient number, since it is larger than the sum of its proper divisors (340391).

130222681 is an equidigital number, since it uses as much as digits as its factorization.

130222681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340390.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 130222681 is about 11411.5152806277. The cubic root of 130222681 is about 506.8687822342.

The spelling of 130222681 in words is "one hundred thirty million, two hundred twenty-two thousand, six hundred eighty-one".