223750830 has 24 divisors (see below), whose sum is σ = 537198696. Its totient is φ = 59645040.

The previous prime is 223750829. The next prime is 223750843. The reversal of 223750830 is 38057322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80565 + ... + 83295.

It is an arithmetic number, because the mean of its divisors is an integer number (22383279).

Almost surely, 2^223750830 is an apocalyptic number.

223750830 is an abundant number, since it is smaller than the sum of its proper divisors (313447866).

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

223750830 is an frugal number, since it uses more digits than its factorization.

223750830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 223750830 is about 14958.3030454661. The cubic root of 223750830 is about 607.0925242572.

Multiplying 223750830 by its sum of digits (30), we get a square (6712524900 = 81930²).

223750830 divided by its sum of digits (30) gives a square (7458361 = 2731²).

The spelling of 223750830 in words is "two hundred twenty-three million, seven hundred fifty thousand, eight hundred thirty".