224773993 has 2 divisors, whose sum is σ = 224773994. Its totient is φ = 224773992.

The previous prime is 224773987. The next prime is 224774093. The reversal of 224773993 is 399377422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173106649 + 51667344 = 13157^2 + 7188^2 .

It is a cyclic number.

It is not a de Polignac number, because 224773993 - 2⁵ = 224773961 is a prime.

It is a super-3 number, since 3×224773993³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (224773793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112386996 + 112386997.

It is an arithmetic number, because the mean of its divisors is an integer number (112386997).

Almost surely, 2^224773993 is an apocalyptic number.

It is an amenable number.

224773993 is a deficient number, since it is larger than the sum of its proper divisors (1).

224773993 is an equidigital number, since it uses as much as digits as its factorization.

224773993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 224773993 is about 14992.4645405617. The cubic root of 224773993 is about 608.0164838920.

The spelling of 224773993 in words is "two hundred twenty-four million, seven hundred seventy-three thousand, nine hundred ninety-three".