223952805 has 24 divisors (see below), whose sum is σ = 388533600. Its totient is φ = 119334240.

The previous prime is 223952803. The next prime is 223952837. The reversal of 223952805 is 508259322.

It is not a de Polignac number, because 223952805 - 2¹ = 223952803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223952805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223952801) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 93270 + ... + 95640.

It is an arithmetic number, because the mean of its divisors is an integer number (16188900).

Almost surely, 2^223952805 is an apocalyptic number.

It is an amenable number.

223952805 is a deficient number, since it is larger than the sum of its proper divisors (164580795).

223952805 is a wasteful number, since it uses less digits than its factorization.

223952805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481 (or 4478 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 223952805 is about 14965.0527897499. The cubic root of 223952805 is about 607.2751390529.

It can be divided in two parts, 22395 and 2805, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 223952805 in words is "two hundred twenty-three million, nine hundred fifty-two thousand, eight hundred five".