2291430444 has 24 divisors (see below), whose sum is σ = 5349770160. Its totient is φ = 763367424.

The previous prime is 2291430443. The next prime is 2291430451. The reversal of 2291430444 is 4440341922.

It is not an unprimeable number, because it can be changed into a prime (2291430443) 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, 33429 + ... + 75500.

It is an arithmetic number, because the mean of its divisors is an integer number (222907090).

Almost surely, 2^2291430444 is an apocalyptic number.

It is an amenable number.

2291430444 is an abundant number, since it is smaller than the sum of its proper divisors (3058339716).

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

2291430444 is a wasteful number, since it uses less digits than its factorization.

2291430444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110689 (or 110687 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2291430444 is about 47868.8880589470. Note that the first 3 decimals coincide. The cubic root of 2291430444 is about 1318.3646805681.

The spelling of 2291430444 in words is "two billion, two hundred ninety-one million, four hundred thirty thousand, four hundred forty-four".