222198867 has 48 divisors (see below), whose sum is σ = 359399040. Its totient is φ = 131155200.

The previous prime is 222198853. The next prime is 222198869. The reversal of 222198867 is 768891222.

It is not a de Polignac number, because 222198867 - 2¹⁴ = 222182483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222198869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 921867 + ... + 922107.

It is an arithmetic number, because the mean of its divisors is an integer number (7487480).

Almost surely, 2^222198867 is an apocalyptic number.

222198867 is a deficient number, since it is larger than the sum of its proper divisors (137200173).

222198867 is a wasteful number, since it uses less digits than its factorization.

222198867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 461 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 222198867 is about 14906.3364714473. The cubic root of 222198867 is about 605.6856439063.

The spelling of 222198867 in words is "two hundred twenty-two million, one hundred ninety-eight thousand, eight hundred sixty-seven".