222444444 has 24 divisors (see below), whose sum is σ = 533066128. Its totient is φ = 72144000.

The previous prime is 222444433. The next prime is 222444449. The reversal of 222444444 is 444444222.

222444444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

222444444 is a modest number, since divided by 44444 gives 2224 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250057 + ... + 250944.

Almost surely, 2^222444444 is an apocalyptic number.

It is an amenable number.

222444444 is an abundant number, since it is smaller than the sum of its proper divisors (310621684).

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

222444444 is a wasteful number, since it uses less digits than its factorization.

222444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501045 (or 501043 counting only the distinct ones).

The product of its digits is 32768, while the sum is 30.

The square root of 222444444 is about 14914.5715325651. The cubic root of 222444444 is about 605.9086988985.

Adding to 222444444 its reverse (444444222), we get a palindrome (666888666).

The spelling of 222444444 in words is "two hundred twenty-two million, four hundred forty-four thousand, four hundred forty-four".