2172222712 has 16 divisors (see below), whose sum is σ = 4443183000. Its totient is φ = 987373920.

The previous prime is 2172222683. The next prime is 2172222727.

2172222712 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12342087 + ... + 12342262.

Almost surely, 2^2172222712 is an apocalyptic number.

2172222712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2172222712 is an abundant number, since it is smaller than the sum of its proper divisors (2270960288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2172222712 is a wasteful number, since it uses less digits than its factorization.

2172222712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24684366 (or 24684362 counting only the distinct ones).

The product of its digits is 3136, while the sum is 28.

The square root of 2172222712 is about 46607.1101013569. The cubic root of 2172222712 is about 1295.0944733133.

The spelling of 2172222712 in words is "two billion, one hundred seventy-two million, two hundred twenty-two thousand, seven hundred twelve".