220442224 has 20 divisors (see below), whose sum is σ = 441835560. Its totient is φ = 106420160.

The previous prime is 220442221. The next prime is 220442239. The reversal of 220442224 is 422244022.

It is a happy number.

220442224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220442195 and 220442204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220442221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237082 + ... + 238009.

It is an arithmetic number, because the mean of its divisors is an integer number (22091778).

Almost surely, 2^220442224 is an apocalyptic number.

It is an amenable number.

220442224 is an abundant number, since it is smaller than the sum of its proper divisors (221393336).

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

220442224 is a wasteful number, since it uses less digits than its factorization.

220442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475128 (or 475122 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 220442224 is about 14847.2968583510. The cubic root of 220442224 is about 604.0852912316.

Adding to 220442224 its reverse (422244022), we get a palindrome (642686246).

The spelling of 220442224 in words is "two hundred twenty million, four hundred forty-two thousand, two hundred twenty-four".