222222043 has 8 divisors (see below), whose sum is σ = 241464320. Its totient is φ = 203734440.

The previous prime is 222222031. The next prime is 222222061. The reversal of 222222043 is 340222222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222222043 - 2¹⁷ = 222090971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222222043.

It is not an unprimeable number, because it can be changed into a prime (222222643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188055 + ... + 189232.

It is an arithmetic number, because the mean of its divisors is an integer number (30183040).

Almost surely, 2^222222043 is an apocalyptic number.

222222043 is a deficient number, since it is larger than the sum of its proper divisors (19242277).

222222043 is a wasteful number, since it uses less digits than its factorization.

222222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377337.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222222043 is about 14907.1138387013. The cubic root of 222222043 is about 605.7067014431.

Adding to 222222043 its reverse (340222222), we get a palindrome (562444265).

The spelling of 222222043 in words is "two hundred twenty-two million, two hundred twenty-two thousand, forty-three".