543072222 has 128 divisors (see below), whose sum is σ = 1514188800. Its totient is φ = 140162400.

The previous prime is 543072209. The next prime is 543072223. The reversal of 543072222 is 222270345.

543072222 is a `hidden beast` number, since 5 + 430 + 7 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543072223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 877029 + ... + 877647.

It is an arithmetic number, because the mean of its divisors is an integer number (11829600).

Almost surely, 2^543072222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543072222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757094400).

543072222 is an abundant number, since it is smaller than the sum of its proper divisors (971116578).

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

543072222 is a wasteful number, since it uses less digits than its factorization.

543072222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 543072222 is about 23303.9100152743. The cubic root of 543072222 is about 815.8666791271.

The spelling of 543072222 in words is "five hundred forty-three million, seventy-two thousand, two hundred twenty-two".