224279973 has 24 divisors (see below), whose sum is σ = 329397120. Its totient is φ = 147026880.

The previous prime is 224279927. The next prime is 224279987. The reversal of 224279973 is 379972422.

It is not a de Polignac number, because 224279973 - 2¹⁶ = 224214437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224279773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234865 + ... + 235817.

It is an arithmetic number, because the mean of its divisors is an integer number (13724880).

Almost surely, 2^224279973 is an apocalyptic number.

It is an amenable number.

224279973 is a deficient number, since it is larger than the sum of its proper divisors (105117147).

224279973 is a wasteful number, since it uses less digits than its factorization.

224279973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1366 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 224279973 is about 14975.9798677749. The cubic root of 224279973 is about 607.5707137113.

It can be divided in two parts, 22427 and 9973, that added together give a square (32400 = 180²).

The spelling of 224279973 in words is "two hundred twenty-four million, two hundred seventy-nine thousand, nine hundred seventy-three".