222018842 has 16 divisors (see below), whose sum is σ = 339237312. Its totient is φ = 108954720.

The previous prime is 222018799. The next prime is 222018887. The reversal of 222018842 is 248810222.

222018842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27203 + ... + 34409.

It is an arithmetic number, because the mean of its divisors is an integer number (21202332).

Almost surely, 2^222018842 is an apocalyptic number.

222018842 is a deficient number, since it is larger than the sum of its proper divisors (117218470).

222018842 is a wasteful number, since it uses less digits than its factorization.

222018842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 222018842 is about 14900.2967084552. The cubic root of 222018842 is about 605.5220246818.

The spelling of 222018842 in words is "two hundred twenty-two million, eighteen thousand, eight hundred forty-two".