222240224 has 48 divisors (see below), whose sum is σ = 459133920. Its totient is φ = 105745920.

The previous prime is 222240223. The next prime is 222240247. The reversal of 222240224 is 422042222.

It is a junction number, because it is equal to n+sod(n) for n = 222240196 and 222240205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222240223) 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, 64202 + ... + 67574.

It is an arithmetic number, because the mean of its divisors is an integer number (9565290).

Almost surely, 2^222240224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222240224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229566960).

222240224 is an abundant number, since it is smaller than the sum of its proper divisors (236893696).

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

222240224 is a wasteful number, since it uses less digits than its factorization.

222240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 222240224 is about 14907.7236357534. The cubic root of 222240224 is about 605.7232195363.

Adding to 222240224 its reverse (422042222), we get a palindrome (644282446).

The spelling of 222240224 in words is "two hundred twenty-two million, two hundred forty thousand, two hundred twenty-four".