224628197 has 2 divisors, whose sum is σ = 224628198. Its totient is φ = 224628196.

The previous prime is 224628179. The next prime is 224628211. The reversal of 224628197 is 791826422.

Together with previous prime (224628179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167987521 + 56640676 = 12961^2 + 7526^2 .

It is a cyclic number.

It is not a de Polignac number, because 224628197 - 2⁶ = 224628133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224625197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112314098 + 112314099.

It is an arithmetic number, because the mean of its divisors is an integer number (112314099).

Almost surely, 2^224628197 is an apocalyptic number.

It is an amenable number.

224628197 is a deficient number, since it is larger than the sum of its proper divisors (1).

224628197 is an equidigital number, since it uses as much as digits as its factorization.

224628197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 224628197 is about 14987.6014425258. The cubic root of 224628197 is about 607.8849954528.

The spelling of 224628197 in words is "two hundred twenty-four million, six hundred twenty-eight thousand, one hundred ninety-seven".