223115780 has 12 divisors (see below), whose sum is σ = 468543180. Its totient is φ = 89246304.

The previous prime is 223115749. The next prime is 223115833. The reversal of 223115780 is 87511322.

It can be written as a sum of positive squares in 2 ways, for example, as 82882816 + 140232964 = 9104^2 + 11842^2 .

It is a super-3 number, since 3×223115780³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5577875 + ... + 5577914.

It is an arithmetic number, because the mean of its divisors is an integer number (39045265).

Almost surely, 2^223115780 is an apocalyptic number.

223115780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223115780 is an abundant number, since it is smaller than the sum of its proper divisors (245427400).

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

223115780 is a wasteful number, since it uses less digits than its factorization.

223115780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155798 (or 11155796 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 223115780 is about 14937.0606211530. The cubic root of 223115780 is about 606.5176296673.

The spelling of 223115780 in words is "two hundred twenty-three million, one hundred fifteen thousand, seven hundred eighty".