220928422 has 16 divisors (see below), whose sum is σ = 389328912. Its totient is φ = 92697120.

The previous prime is 220928417. The next prime is 220928483. The reversal of 220928422 is 224829022.

220928422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 385953 + ... + 386524.

It is an arithmetic number, because the mean of its divisors is an integer number (24333057).

Almost surely, 2^220928422 is an apocalyptic number.

220928422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220928422 is a deficient number, since it is larger than the sum of its proper divisors (168400490).

220928422 is a wasteful number, since it uses less digits than its factorization.

220928422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772503.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 220928422 is about 14863.6611236936. The cubic root of 220928422 is about 604.5290800719.

The spelling of 220928422 in words is "two hundred twenty million, nine hundred twenty-eight thousand, four hundred twenty-two".