224571923 has 4 divisors (see below), whose sum is σ = 225712080. Its totient is φ = 223431768.

The previous prime is 224571917. The next prime is 224571947. The reversal of 224571923 is 329175422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224571923 - 2²⁴ = 207794707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224571953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569783 + ... + 570176.

It is an arithmetic number, because the mean of its divisors is an integer number (56428020).

Almost surely, 2^224571923 is an apocalyptic number.

224571923 is a deficient number, since it is larger than the sum of its proper divisors (1140157).

224571923 is a wasteful number, since it uses less digits than its factorization.

224571923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140156.

The product of its digits is 30240, while the sum is 35.

The square root of 224571923 is about 14985.7239731686. The cubic root of 224571923 is about 607.8342286335.

The spelling of 224571923 in words is "two hundred twenty-four million, five hundred seventy-one thousand, nine hundred twenty-three".