222229443 has 4 divisors (see below), whose sum is σ = 296305928. Its totient is φ = 148152960.

The previous prime is 222229439. The next prime is 222229463. The reversal of 222229443 is 344922222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222229443 - 2² = 222229439 is a prime.

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 222229443.

It is not an unprimeable number, because it can be changed into a prime (222229433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37038238 + ... + 37038243.

It is an arithmetic number, because the mean of its divisors is an integer number (74076482).

Almost surely, 2^222229443 is an apocalyptic number.

222229443 is a deficient number, since it is larger than the sum of its proper divisors (74076485).

222229443 is an equidigital number, since it uses as much as digits as its factorization.

222229443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74076484.

The product of its digits is 13824, while the sum is 30.

The square root of 222229443 is about 14907.3620402806. The cubic root of 222229443 is about 605.7134247183.

The spelling of 222229443 in words is "two hundred twenty-two million, two hundred twenty-nine thousand, four hundred forty-three".