224604997 has 2 divisors, whose sum is σ = 224604998. Its totient is φ = 224604996.

The previous prime is 224604967. The next prime is 224605033. The reversal of 224604997 is 799406422.

224604997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119049921 + 105555076 = 10911^2 + 10274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224604997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224604907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112302498 + 112302499.

It is an arithmetic number, because the mean of its divisors is an integer number (112302499).

Almost surely, 2^224604997 is an apocalyptic number.

It is an amenable number.

224604997 is a deficient number, since it is larger than the sum of its proper divisors (1).

224604997 is an equidigital number, since it uses as much as digits as its factorization.

224604997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 224604997 is about 14986.8274494637. The cubic root of 224604997 is about 607.8640669175.

The spelling of 224604997 in words is "two hundred twenty-four million, six hundred four thousand, nine hundred ninety-seven".