224398469 has 2 divisors, whose sum is σ = 224398470. Its totient is φ = 224398468.

The previous prime is 224398463. The next prime is 224398481. The reversal of 224398469 is 964893422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209149444 + 15249025 = 14462^2 + 3905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224398469 is a prime.

It is a super-2 number, since 2×224398469² = 100709345779087922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224398463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112199234 + 112199235.

It is an arithmetic number, because the mean of its divisors is an integer number (112199235).

Almost surely, 2^224398469 is an apocalyptic number.

It is an amenable number.

224398469 is a deficient number, since it is larger than the sum of its proper divisors (1).

224398469 is an equidigital number, since it uses as much as digits as its factorization.

224398469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 47.

The square root of 224398469 is about 14979.9355472579. The cubic root of 224398469 is about 607.6776961031.

The spelling of 224398469 in words is "two hundred twenty-four million, three hundred ninety-eight thousand, four hundred sixty-nine".