224863969 has 4 divisors (see below), whose sum is σ = 245306160. Its totient is φ = 204421780.

The previous prime is 224863937. The next prime is 224863973. The reversal of 224863969 is 969368422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224863969 - 2⁵ = 224863937 is a prime.

It is a super-3 number, since 3×224863969³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (224863909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10221079 + ... + 10221100.

It is an arithmetic number, because the mean of its divisors is an integer number (61326540).

Almost surely, 2^224863969 is an apocalyptic number.

It is an amenable number.

224863969 is a deficient number, since it is larger than the sum of its proper divisors (20442191).

224863969 is a wasteful number, since it uses less digits than its factorization.

224863969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20442190.

The product of its digits is 1119744, while the sum is 49.

The square root of 224863969 is about 14995.4649477767. The cubic root of 224863969 is about 608.0976018073.

The spelling of 224863969 in words is "two hundred twenty-four million, eight hundred sixty-three thousand, nine hundred sixty-nine".