222244144 has 10 divisors (see below), whose sum is σ = 430598060. Its totient is φ = 111122064.

The previous prime is 222244103. The next prime is 222244151. The reversal of 222244144 is 441442222.

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945114 + ... + 6945145.

It is an arithmetic number, because the mean of its divisors is an integer number (43059806).

Almost surely, 2^222244144 is an apocalyptic number.

It is an amenable number.

222244144 is a deficient number, since it is larger than the sum of its proper divisors (208353916).

222244144 is a wasteful number, since it uses less digits than its factorization.

222244144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890267 (or 13890261 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 222244144 is about 14907.8551106455. The cubic root of 222244144 is about 605.7267808794.

Adding to 222244144 its reverse (441442222), we get a palindrome (663686366).

The spelling of 222244144 in words is "two hundred twenty-two million, two hundred forty-four thousand, one hundred forty-four".