223805268 has 30 divisors (see below), whose sum is σ = 585072026. Its totient is φ = 74601648.

The previous prime is 223805243. The next prime is 223805269. The reversal of 223805268 is 862508322.

It can be written as a sum of positive squares in only one way, i.e., 223741764 + 63504 = 14958^2 + 252^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223805269) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 345055 + ... + 345702.

Almost surely, 2^223805268 is an apocalyptic number.

It is an amenable number.

223805268 is an abundant number, since it is smaller than the sum of its proper divisors (361266758).

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

223805268 is a wasteful number, since it uses less digits than its factorization.

223805268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690773 (or 690762 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 223805268 is about 14960.1225930806. The cubic root of 223805268 is about 607.1417549468.

The spelling of 223805268 in words is "two hundred twenty-three million, eight hundred five thousand, two hundred sixty-eight".