220221112 has 16 divisors (see below), whose sum is σ = 413187840. Its totient is φ = 110037696.

The previous prime is 220221101. The next prime is 220221143. The reversal of 220221112 is 211122022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220221092 and 220221101.

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, 5028 + ... + 21580.

It is an arithmetic number, because the mean of its divisors is an integer number (25824240).

Almost surely, 2^220221112 is an apocalyptic number.

It is an amenable number.

220221112 is a deficient number, since it is larger than the sum of its proper divisors (192966728).

220221112 is a wasteful number, since it uses less digits than its factorization.

220221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222 (or 18218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 220221112 is about 14839.8487862916. The cubic root of 220221112 is about 603.8832500978.

Adding to 220221112 its reverse (211122022), we get a palindrome (431343134).

The spelling of 220221112 in words is "two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".