223160820 has 24 divisors (see below), whose sum is σ = 624850464. Its totient is φ = 59509536.

The previous prime is 223160809. The next prime is 223160843. The reversal of 223160820 is 28061322.

It is a super-3 number, since 3×223160820³ (a number of 26 digits) contains 333 as substring.

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, 1859614 + ... + 1859733.

It is an arithmetic number, because the mean of its divisors is an integer number (26035436).

Almost surely, 2^223160820 is an apocalyptic number.

223160820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223160820 is an abundant number, since it is smaller than the sum of its proper divisors (401689644).

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

223160820 is a wasteful number, since it uses less digits than its factorization.

223160820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719359 (or 3719357 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 223160820 is about 14938.5682044833. The cubic root of 223160820 is about 606.5584391461.

The spelling of 223160820 in words is "two hundred twenty-three million, one hundred sixty thousand, eight hundred twenty".