222111224 has 16 divisors (see below), whose sum is σ = 417802320. Its totient is φ = 110697280.

The previous prime is 222111209. The next prime is 222111233. The reversal of 222111224 is 422111222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42149 + ... + 47124.

It is an arithmetic number, because the mean of its divisors is an integer number (26112645).

Almost surely, 2^222111224 is an apocalyptic number.

It is an amenable number.

222111224 is a deficient number, since it is larger than the sum of its proper divisors (195691096).

222111224 is a wasteful number, since it uses less digits than its factorization.

222111224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89590 (or 89586 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 222111224 is about 14903.3963914270. The cubic root of 222111224 is about 605.6059989040.

Adding to 222111224 its reverse (422111222), we get a palindrome (644222446).

The spelling of 222111224 in words is "two hundred twenty-two million, one hundred eleven thousand, two hundred twenty-four".