2192872836 has 144 divisors (see below), whose sum is σ = 6511339520. Its totient is φ = 562161600.

The previous prime is 2192872819. The next prime is 2192872841. The reversal of 2192872836 is 6382782912.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 801591 + ... + 804321.

Almost surely, 2^2192872836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2192872836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255669760).

2192872836 is an abundant number, since it is smaller than the sum of its proper divisors (4318466684).

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

2192872836 is a wasteful number, since it uses less digits than its factorization.

2192872836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2833 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 2192872836 is about 46828.1201416414. The cubic root of 2192872836 is about 1299.1854534408.

The spelling of 2192872836 in words is "two billion, one hundred ninety-two million, eight hundred seventy-two thousand, eight hundred thirty-six".