223527985 has 16 divisors (see below), whose sum is σ = 286070400. Its totient is φ = 167083776.

The previous prime is 223527979. The next prime is 223528009. The reversal of 223527985 is 589725322.

It is a cyclic number.

It is not a de Polignac number, because 223527985 - 2¹⁷ = 223396913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2356 + ... + 21274.

It is an arithmetic number, because the mean of its divisors is an integer number (17879400).

Almost surely, 2^223527985 is an apocalyptic number.

It is an amenable number.

223527985 is a deficient number, since it is larger than the sum of its proper divisors (62542415).

223527985 is a wasteful number, since it uses less digits than its factorization.

223527985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19080.

The product of its digits is 302400, while the sum is 43.

The square root of 223527985 is about 14950.8523168413. The cubic root of 223527985 is about 606.8909123843.

The spelling of 223527985 in words is "two hundred twenty-three million, five hundred twenty-seven thousand, nine hundred eighty-five".