223485009 has 16 divisors (see below), whose sum is σ = 344191680. Its totient is φ = 127477760.

The previous prime is 223485001. The next prime is 223485013. The reversal of 223485009 is 900584322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 223485009 - 2³ = 223485001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (223485001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198624 + ... + 199745.

It is an arithmetic number, because the mean of its divisors is an integer number (21511980).

Almost surely, 2^223485009 is an apocalyptic number.

It is an amenable number.

223485009 is a deficient number, since it is larger than the sum of its proper divisors (120706671).

223485009 is a wasteful number, since it uses less digits than its factorization.

223485009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398400.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 223485009 is about 14949.4150052770. The cubic root of 223485009 is about 606.8520158146.

The spelling of 223485009 in words is "two hundred twenty-three million, four hundred eighty-five thousand, nine".