2172442712 has 24 divisors (see below), whose sum is σ = 4477298700. Its totient is φ = 987473520.

The previous prime is 2172442711. The next prime is 2172442739.

2172442712 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172442711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121162 + ... + 1123097.

Almost surely, 2^2172442712 is an apocalyptic number.

2172442712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2172442712 is an abundant number, since it is smaller than the sum of its proper divisors (2304855988).

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

2172442712 is a wasteful number, since it uses less digits than its factorization.

2172442712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244287 (or 2244272 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 2172442712 is about 46609.4701965169. The cubic root of 2172442712 is about 1295.1381936870.

The spelling of 2172442712 in words is "two billion, one hundred seventy-two million, four hundred forty-two thousand, seven hundred twelve".