220443422 has 8 divisors (see below), whose sum is σ = 331087656. Its totient is φ = 110080872.

The previous prime is 220443389. The next prime is 220443463. The reversal of 220443422 is 224344022.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 68453 + ... + 71600.

It is an arithmetic number, because the mean of its divisors is an integer number (41385957).

Almost surely, 2^220443422 is an apocalyptic number.

220443422 is a deficient number, since it is larger than the sum of its proper divisors (110644234).

220443422 is a wasteful number, since it uses less digits than its factorization.

220443422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140842.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 220443422 is about 14847.3372023404. The cubic root of 220443422 is about 604.0863855362.

Adding to 220443422 its reverse (224344022), we get a palindrome (444787444).

The spelling of 220443422 in words is "two hundred twenty million, four hundred forty-three thousand, four hundred twenty-two".