224003249 has 2 divisors, whose sum is σ = 224003250. Its totient is φ = 224003248.

The previous prime is 224003209. The next prime is 224003333. The reversal of 224003249 is 942300422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125596849 + 98406400 = 11207^2 + 9920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224003249 is a prime.

It is a super-4 number, since 4×224003249⁴ (a number of 35 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224003209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112001624 + 112001625.

It is an arithmetic number, because the mean of its divisors is an integer number (112001625).

Almost surely, 2^224003249 is an apocalyptic number.

It is an amenable number.

224003249 is a deficient number, since it is larger than the sum of its proper divisors (1).

224003249 is an equidigital number, since it uses as much as digits as its factorization.

224003249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 224003249 is about 14966.7380881741. The cubic root of 224003249 is about 607.3207306340.

The spelling of 224003249 in words is "two hundred twenty-four million, three thousand, two hundred forty-nine".