223011712 has 160 divisors (see below), whose sum is σ = 591375600. Its totient is φ = 81776640.

The previous prime is 223011697. The next prime is 223011731. The reversal of 223011712 is 217110322.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 223011712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13118328 + ... + 13118344.

Almost surely, 2^223011712 is an apocalyptic number.

223011712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223011712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295687800).

223011712 is an abundant number, since it is smaller than the sum of its proper divisors (368363888).

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

223011712 is an frugal number, since it uses more digits than its factorization.

223011712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 223011712 is about 14933.5766646842. The cubic root of 223011712 is about 606.4233155661.

The spelling of 223011712 in words is "two hundred twenty-three million, eleven thousand, seven hundred twelve".