223225780 has 12 divisors (see below), whose sum is σ = 468774180. Its totient is φ = 89290304.

The previous prime is 223225757. The next prime is 223225781. The reversal of 223225780 is 87522322.

It can be written as a sum of positive squares in 2 ways, for example, as 104284944 + 118940836 = 10212^2 + 10906^2 .

It is a super-3 number, since 3×223225780³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223225781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5580625 + ... + 5580664.

It is an arithmetic number, because the mean of its divisors is an integer number (39064515).

Almost surely, 2^223225780 is an apocalyptic number.

223225780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223225780 is an abundant number, since it is smaller than the sum of its proper divisors (245548400).

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

223225780 is a wasteful number, since it uses less digits than its factorization.

223225780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161298 (or 11161296 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 223225780 is about 14940.7422841036. The cubic root of 223225780 is about 606.6172879076.

The spelling of 223225780 in words is "two hundred twenty-three million, two hundred twenty-five thousand, seven hundred eighty".