224278923 has 16 divisors (see below), whose sum is σ = 326785536. Its totient is φ = 135692640.

The previous prime is 224278921. The next prime is 224278933. The reversal of 224278923 is 329872422.

It is not a de Polignac number, because 224278923 - 2¹ = 224278921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224278921) 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, 14686 + ... + 25772.

It is an arithmetic number, because the mean of its divisors is an integer number (20424096).

Almost surely, 2^224278923 is an apocalyptic number.

224278923 is a deficient number, since it is larger than the sum of its proper divisors (102506613).

224278923 is a wasteful number, since it uses less digits than its factorization.

224278923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11714.

The product of its digits is 96768, while the sum is 39.

The square root of 224278923 is about 14975.9448115970. The cubic root of 224278923 is about 607.5697655657.

The spelling of 224278923 in words is "two hundred twenty-four million, two hundred seventy-eight thousand, nine hundred twenty-three".