2291709216 has 24 divisors (see below), whose sum is σ = 6015736944. Its totient is φ = 763903040.

The previous prime is 2291709163. The next prime is 2291709271. The reversal of 2291709216 is 6129071922.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2291709216² = 10503862261398669312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11935890 + ... + 11936081.

It is an arithmetic number, because the mean of its divisors is an integer number (250655706).

Almost surely, 2^2291709216 is an apocalyptic number.

It is an amenable number.

2291709216 is an abundant number, since it is smaller than the sum of its proper divisors (3724027728).

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

2291709216 is a wasteful number, since it uses less digits than its factorization.

2291709216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23871984 (or 23871976 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 2291709216 is about 47871.7997990466. The cubic root of 2291709216 is about 1318.4181418251.

The spelling of 2291709216 in words is "two billion, two hundred ninety-one million, seven hundred nine thousand, two hundred sixteen".