222442443 has 24 divisors (see below), whose sum is σ = 350750400. Its totient is φ = 140487048.

The previous prime is 222442393. The next prime is 222442447. The reversal of 222442443 is 344244222.

222442443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222442443 - 2¹² = 222438347 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (222442447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19473 + ... + 28706.

It is an arithmetic number, because the mean of its divisors is an integer number (14614600).

Almost surely, 2^222442443 is an apocalyptic number.

222442443 is a deficient number, since it is larger than the sum of its proper divisors (128307957).

222442443 is an equidigital number, since it uses as much as digits as its factorization.

222442443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48213 (or 48201 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 222442443 is about 14914.5044503664. The cubic root of 222442443 is about 605.9068820749.

Adding to 222442443 its reverse (344244222), we get a palindrome (566686665).

The spelling of 222442443 in words is "two hundred twenty-two million, four hundred forty-two thousand, four hundred forty-three".