2291892224 has 64 divisors (see below), whose sum is σ = 4784579280. Its totient is φ = 1095761920.

The previous prime is 2291892209. The next prime is 2291892241. The reversal of 2291892224 is 4222981922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752144 + ... + 755184.

Almost surely, 2^2291892224 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 2291892224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392289640).

2291892224 is an abundant number, since it is smaller than the sum of its proper divisors (2492687056).

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

2291892224 is an frugal number, since it uses more digits than its factorization.

2291892224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094 (or 3066 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 2291892224 is about 47873.7111993629. The cubic root of 2291892224 is about 1318.4532356673.

The spelling of 2291892224 in words is "two billion, two hundred ninety-one million, eight hundred ninety-two thousand, two hundred twenty-four".