220143422 has 8 divisors (see below), whose sum is σ = 332040072. Its totient is φ = 109463400.

The previous prime is 220143409. The next prime is 220143433. The reversal of 220143422 is 224341022.

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

It is a junction number, because it is equal to n+sod(n) for n = 220143394 and 220143403.

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, 303704 + ... + 304427.

It is an arithmetic number, because the mean of its divisors is an integer number (41505009).

Almost surely, 2^220143422 is an apocalyptic number.

220143422 is a deficient number, since it is larger than the sum of its proper divisors (111896650).

220143422 is a wasteful number, since it uses less digits than its factorization.

220143422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608314.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 220143422 is about 14837.2309411157. The cubic root of 220143422 is about 603.8122287391.

Adding to 220143422 its reverse (224341022), we get a palindrome (444484444).

The spelling of 220143422 in words is "two hundred twenty million, one hundred forty-three thousand, four hundred twenty-two".