2217706432 has 28 divisors (see below), whose sum is σ = 4466452840. Its totient is φ = 1092301056.

The previous prime is 2217706417. The next prime is 2217706459. The reversal of 2217706432 is 2346077122.

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, 254307 + ... + 262882.

Almost surely, 2^2217706432 is an apocalyptic number.

It is an amenable number.

2217706432 is an abundant number, since it is smaller than the sum of its proper divisors (2248746408).

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

2217706432 is an equidigital number, since it uses as much as digits as its factorization.

2217706432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517268 (or 517258 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2217706432 is about 47092.5305329837. The cubic root of 2217706432 is about 1304.0713449115.

The spelling of 2217706432 in words is "two billion, two hundred seventeen million, seven hundred six thousand, four hundred thirty-two".