2243179491 has 16 divisors (see below), whose sum is σ = 3437280000. Its totient is φ = 1274653728.

The previous prime is 2243179457. The next prime is 2243179531. The reversal of 2243179491 is 1949713422.

It is a happy number.

2243179491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243179491 - 2¹⁰ = 2243178467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243179441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294616 + ... + 302133.

It is an arithmetic number, because the mean of its divisors is an integer number (214830000).

Almost surely, 2^2243179491 is an apocalyptic number.

2243179491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2243179491 is a deficient number, since it is larger than the sum of its proper divisors (1194100509).

2243179491 is a wasteful number, since it uses less digits than its factorization.

2243179491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596938.

The product of its digits is 108864, while the sum is 42.

The square root of 2243179491 is about 47362.2158582134. The cubic root of 2243179491 is about 1309.0452984192.

The spelling of 2243179491 in words is "two billion, two hundred forty-three million, one hundred seventy-nine thousand, four hundred ninety-one".