917422212 has 24 divisors (see below), whose sum is σ = 2446459456. Its totient is φ = 262120608.

The previous prime is 917422193. The next prime is 917422241. The reversal of 917422212 is 212224719.

It is a self number, because there is not a number n which added to its sum of digits gives 917422212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5460763 + ... + 5460930.

Almost surely, 2^917422212 is an apocalyptic number.

It is an amenable number.

917422212 is an abundant number, since it is smaller than the sum of its proper divisors (1529037244).

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

917422212 is a wasteful number, since it uses less digits than its factorization.

917422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921707 (or 10921705 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 917422212 is about 30288.9783914876. The cubic root of 917422212 is about 971.6795968467.

The spelling of 917422212 in words is "nine hundred seventeen million, four hundred twenty-two thousand, two hundred twelve".