2291095072 has 48 divisors (see below), whose sum is σ = 5225617152. Its totient is φ = 968440320.

The previous prime is 2291095061. The next prime is 2291095109. The reversal of 2291095072 is 2705901922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53704 + ... + 86407.

It is an arithmetic number, because the mean of its divisors is an integer number (108867024).

Almost surely, 2^2291095072 is an apocalyptic number.

It is an amenable number.

2291095072 is an abundant number, since it is smaller than the sum of its proper divisors (2934522080).

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

2291095072 is a wasteful number, since it uses less digits than its factorization.

2291095072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140201 (or 140193 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 2291095072 is about 47865.3849039157. The cubic root of 2291095072 is about 1318.3003591493.

Adding to 2291095072 its reverse (2705901922), we get a palindrome (4996996994).

The spelling of 2291095072 in words is "two billion, two hundred ninety-one million, ninety-five thousand, seventy-two".