222803928 has 48 divisors (see below), whose sum is σ = 604258200. Its totient is φ = 74165760.

The previous prime is 222803863. The next prime is 222803951. The reversal of 222803928 is 829308222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 222803892 and 222803901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65223 + ... + 68553.

Almost surely, 2^222803928 is an apocalyptic number.

It is an amenable number.

222803928 is an abundant number, since it is smaller than the sum of its proper divisors (381454272).

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

222803928 is a wasteful number, since it uses less digits than its factorization.

222803928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4265 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 222803928 is about 14926.6181032409. The cubic root of 222803928 is about 606.2349185606.

The spelling of 222803928 in words is "two hundred twenty-two million, eight hundred three thousand, nine hundred twenty-eight".