2291823936 has 56 divisors (see below), whose sum is σ = 6737543040. Its totient is φ = 763940736.

The previous prime is 2291823931. The next prime is 2291823943. The reversal of 2291823936 is 6393281922.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2291823891 and 2291823900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291823931) 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, 661416 + ... + 664871.

Almost surely, 2^2291823936 is an apocalyptic number.

It is an amenable number.

2291823936 is an abundant number, since it is smaller than the sum of its proper divisors (4445719104).

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

2291823936 is a wasteful number, since it uses less digits than its factorization.

2291823936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326308 (or 1326292 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 2291823936 is about 47872.9979842500. The cubic root of 2291823936 is about 1318.4401408938.

The spelling of 2291823936 in words is "two billion, two hundred ninety-one million, eight hundred twenty-three thousand, nine hundred thirty-six".