130222164461 has 4 divisors (see below), whose sum is σ = 131511492924. Its totient is φ = 128932836000.

The previous prime is 130222164433. The next prime is 130222164469. The reversal of 130222164461 is 164461222031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68919375625 + 61302788836 = 262525^2 + 247594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130222164461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130222164469) 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, 644664080 + ... + 644664281.

It is an arithmetic number, because the mean of its divisors is an integer number (32877873231).

Almost surely, 2^130222164461 is an apocalyptic number.

It is an amenable number.

130222164461 is a deficient number, since it is larger than the sum of its proper divisors (1289328463).

130222164461 is a wasteful number, since it uses less digits than its factorization.

130222164461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289328462.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 130222164461 its reverse (164461222031), we get a palindrome (294683386492).

The spelling of 130222164461 in words is "one hundred thirty billion, two hundred twenty-two million, one hundred sixty-four thousand, four hundred sixty-one".