224013397 has 2 divisors, whose sum is σ = 224013398. Its totient is φ = 224013396.

The previous prime is 224013389. The next prime is 224013467. The reversal of 224013397 is 793310422.

224013397 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., 178329316 + 45684081 = 13354^2 + 6759^2 .

It is a cyclic number.

It is not a de Polignac number, because 224013397 - 2³ = 224013389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224013337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112006698 + 112006699.

It is an arithmetic number, because the mean of its divisors is an integer number (112006699).

Almost surely, 2^224013397 is an apocalyptic number.

It is an amenable number.

224013397 is a deficient number, since it is larger than the sum of its proper divisors (1).

224013397 is an equidigital number, since it uses as much as digits as its factorization.

224013397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 224013397 is about 14967.0771027612. The cubic root of 224013397 is about 607.3299016285.

The spelling of 224013397 in words is "two hundred twenty-four million, thirteen thousand, three hundred ninety-seven".