224704973 has 2 divisors, whose sum is σ = 224704974. Its totient is φ = 224704972.

The previous prime is 224704939. The next prime is 224705003. The reversal of 224704973 is 379407422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223891369 + 813604 = 14963^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 224704973 - 2⁸ = 224704717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224704913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112352486 + 112352487.

It is an arithmetic number, because the mean of its divisors is an integer number (112352487).

Almost surely, 2^224704973 is an apocalyptic number.

It is an amenable number.

224704973 is a deficient number, since it is larger than the sum of its proper divisors (1).

224704973 is an equidigital number, since it uses as much as digits as its factorization.

224704973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 224704973 is about 14990.1625408132. The cubic root of 224704973 is about 607.9542441978.

The spelling of 224704973 in words is "two hundred twenty-four million, seven hundred four thousand, nine hundred seventy-three".