224039989 has 2 divisors, whose sum is σ = 224039990. Its totient is φ = 224039988.

The previous prime is 224039953. The next prime is 224040013. The reversal of 224039989 is 989930422.

224039989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224011089 + 28900 = 14967^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 224039989 - 2¹⁷ = 223908917 is a prime.

It is a super-3 number, since 3×224039989³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224039909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112019994 + 112019995.

It is an arithmetic number, because the mean of its divisors is an integer number (112019995).

Almost surely, 2^224039989 is an apocalyptic number.

It is an amenable number.

224039989 is a deficient number, since it is larger than the sum of its proper divisors (1).

224039989 is an equidigital number, since it uses as much as digits as its factorization.

224039989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 224039989 is about 14967.9654262027. The cubic root of 224039989 is about 607.3539321523.

The spelling of 224039989 in words is "two hundred twenty-four million, thirty-nine thousand, nine hundred eighty-nine".