222116854 has 8 divisors (see below), whose sum is σ = 334313280. Its totient is φ = 110679096.

The previous prime is 222116827. The next prime is 222116863. The reversal of 222116854 is 458611222.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188934 + ... + 190105.

It is an arithmetic number, because the mean of its divisors is an integer number (41789160).

Almost surely, 2^222116854 is an apocalyptic number.

222116854 is a deficient number, since it is larger than the sum of its proper divisors (112196426).

222116854 is a wasteful number, since it uses less digits than its factorization.

222116854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379334.

The product of its digits is 7680, while the sum is 31.

The square root of 222116854 is about 14903.5852733495. The cubic root of 222116854 is about 605.6111157593.

It can be divided in two parts, 2221168 and 54, that added together give a palindrome (2221222).

The spelling of 222116854 in words is "two hundred twenty-two million, one hundred sixteen thousand, eight hundred fifty-four".