223909249 has 8 divisors (see below), whose sum is σ = 231310080. Its totient is φ = 216519600.

The previous prime is 223909219. The next prime is 223909267. The reversal of 223909249 is 942909322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223909249 - 2¹³ = 223901057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223909219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62394 + ... + 65884.

It is an arithmetic number, because the mean of its divisors is an integer number (28913760).

Almost surely, 2^223909249 is an apocalyptic number.

It is an amenable number.

223909249 is a deficient number, since it is larger than the sum of its proper divisors (7400831).

223909249 is a wasteful number, since it uses less digits than its factorization.

223909249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 223909249 is about 14963.5974618405. The cubic root of 223909249 is about 607.2357673783.

The spelling of 223909249 in words is "two hundred twenty-three million, nine hundred nine thousand, two hundred forty-nine".