220422112 has 48 divisors (see below), whose sum is σ = 443908080. Its totient is φ = 107707392.

The previous prime is 220422101. The next prime is 220422149. The reversal of 220422112 is 211224022.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 590758 + ... + 591130.

It is an arithmetic number, because the mean of its divisors is an integer number (9248085).

Almost surely, 2^220422112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220422112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221954040).

220422112 is an abundant number, since it is smaller than the sum of its proper divisors (223485968).

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

220422112 is a wasteful number, since it uses less digits than its factorization.

220422112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 220422112 is about 14846.6195478971. The cubic root of 220422112 is about 604.0669194746.

Adding to 220422112 its reverse (211224022), we get a palindrome (431646134).

The spelling of 220422112 in words is "two hundred twenty million, four hundred twenty-two thousand, one hundred twelve".