2217422892 has 24 divisors (see below), whose sum is σ = 5446302400. Its totient is φ = 700238736.

The previous prime is 2217422881. The next prime is 2217422899. The reversal of 2217422892 is 2982247122.

It is a self number, because there is not a number n which added to its sum of digits gives 2217422892.

It is not an unprimeable number, because it can be changed into a prime (2217422899) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4862542 + ... + 4862997.

Almost surely, 2^2217422892 is an apocalyptic number.

It is an amenable number.

2217422892 is an abundant number, since it is smaller than the sum of its proper divisors (3228879508).

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

2217422892 is a wasteful number, since it uses less digits than its factorization.

2217422892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725565 (or 9725563 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 2217422892 is about 47089.5199805647. The cubic root of 2217422892 is about 1304.0157661473.

The spelling of 2217422892 in words is "two billion, two hundred seventeen million, four hundred twenty-two thousand, eight hundred ninety-two".