222001822 has 8 divisors (see below), whose sum is σ = 380574576. Its totient is φ = 95143632.

The previous prime is 222001817. The next prime is 222001853. The reversal of 222001822 is 228100222.

222001822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222001822.

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, 7928623 + ... + 7928650.

It is an arithmetic number, because the mean of its divisors is an integer number (47571822).

Almost surely, 2^222001822 is an apocalyptic number.

222001822 is a deficient number, since it is larger than the sum of its proper divisors (158572754).

222001822 is a wasteful number, since it uses less digits than its factorization.

222001822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857282.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 222001822 is about 14899.7255679425. The cubic root of 222001822 is about 605.5065511480.

The spelling of 222001822 in words is "two hundred twenty-two million, one thousand, eight hundred twenty-two".