224550397 has 4 divisors (see below), whose sum is σ = 225272736. Its totient is φ = 223828060.

The previous prime is 224550281. The next prime is 224550413. The reversal of 224550397 is 793055422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224550397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224553397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360703 + ... + 361324.

It is an arithmetic number, because the mean of its divisors is an integer number (56318184).

Almost surely, 2^224550397 is an apocalyptic number.

It is an amenable number.

224550397 is a deficient number, since it is larger than the sum of its proper divisors (722339).

224550397 is an equidigital number, since it uses as much as digits as its factorization.

224550397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722338.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 224550397 is about 14985.0057390713. The cubic root of 224550397 is about 607.8148070046.

The spelling of 224550397 in words is "two hundred twenty-four million, five hundred fifty thousand, three hundred ninety-seven".