223574772 has 12 divisors (see below), whose sum is σ = 521674496. Its totient is φ = 74524920.

The previous prime is 223574749. The next prime is 223574783. The reversal of 223574772 is 277475322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 223574772.

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 3 ways as a sum of consecutive naturals, for example, 9315604 + ... + 9315627.

Almost surely, 2^223574772 is an apocalyptic number.

It is an amenable number.

223574772 is an abundant number, since it is smaller than the sum of its proper divisors (298099724).

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

223574772 is a wasteful number, since it uses less digits than its factorization.

223574772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18631238 (or 18631236 counting only the distinct ones).

The product of its digits is 164640, while the sum is 39.

The square root of 223574772 is about 14952.4169283765. The cubic root of 223574772 is about 606.9332525328.

The spelling of 223574772 in words is "two hundred twenty-three million, five hundred seventy-four thousand, seven hundred seventy-two".