2172265396 has 24 divisors (see below), whose sum is σ = 4350698240. Its totient is φ = 929649312.

The previous prime is 2172265391. The next prime is 2172265427. The reversal of 2172265396 is 6935622712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172265391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34860 + ... + 74563.

Almost surely, 2^2172265396 is an apocalyptic number.

It is an amenable number.

2172265396 is an abundant number, since it is smaller than the sum of its proper divisors (2178432844).

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

2172265396 is a wasteful number, since it uses less digits than its factorization.

2172265396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110143 (or 110141 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 2172265396 is about 46607.5680120729. The cubic root of 2172265396 is about 1295.1029560915.

The spelling of 2172265396 in words is "two billion, one hundred seventy-two million, two hundred sixty-five thousand, three hundred ninety-six".