220268228 has 12 divisors (see below), whose sum is σ = 386130192. Its totient is φ = 109945320.

The previous prime is 220268219. The next prime is 220268233. The reversal of 220268228 is 822862022.

It is a junction number, because it is equal to n+sod(n) for n = 220268194 and 220268203.

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, 44558 + ... + 49253.

It is an arithmetic number, because the mean of its divisors is an integer number (32177516).

Almost surely, 2^220268228 is an apocalyptic number.

It is an amenable number.

220268228 is a deficient number, since it is larger than the sum of its proper divisors (165861964).

220268228 is a wasteful number, since it uses less digits than its factorization.

220268228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94402 (or 94400 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 220268228 is about 14841.4361838739. The cubic root of 220268228 is about 603.9263136867.

The spelling of 220268228 in words is "two hundred twenty million, two hundred sixty-eight thousand, two hundred twenty-eight".