220004422 has 16 divisors (see below), whose sum is σ = 361587600. Its totient is φ = 99563040.

The previous prime is 220004399. The next prime is 220004459. The reversal of 220004422 is 224400022.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 220004396 and 220004405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16797 + ... + 26872.

It is an arithmetic number, because the mean of its divisors is an integer number (22599225).

Almost surely, 2^220004422 is an apocalyptic number.

220004422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220004422 is a deficient number, since it is larger than the sum of its proper divisors (141583178).

220004422 is a wasteful number, since it uses less digits than its factorization.

220004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43911.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220004422 is about 14832.5460390319. The cubic root of 220004422 is about 603.6851183159.

Adding to 220004422 its reverse (224400022), we get a palindrome (444404444).

The spelling of 220004422 in words is "two hundred twenty million, four thousand, four hundred twenty-two".