222771792 has 40 divisors (see below), whose sum is σ = 576069280. Its totient is φ = 74183040.

The previous prime is 222771779. The next prime is 222771833. The reversal of 222771792 is 297177222.

It is a self number, because there is not a number n which added to its sum of digits gives 222771792.

It is a congruent number.

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, 68442 + ... + 71622.

It is an arithmetic number, because the mean of its divisors is an integer number (14401732).

Almost surely, 2^222771792 is an apocalyptic number.

It is an amenable number.

222771792 is an abundant number, since it is smaller than the sum of its proper divisors (353297488).

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

222771792 is a wasteful number, since it uses less digits than its factorization.

222771792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651 (or 4645 counting only the distinct ones).

The product of its digits is 49392, while the sum is 39.

The square root of 222771792 is about 14925.5415982134. The cubic root of 222771792 is about 606.2057705076.

The spelling of 222771792 in words is "two hundred twenty-two million, seven hundred seventy-one thousand, seven hundred ninety-two".