224681999 has 8 divisors (see below), whose sum is σ = 229228272. Its totient is φ = 220147200.

The previous prime is 224681983. The next prime is 224682023. The reversal of 224681999 is 999186422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224681999 - 2⁴ = 224681983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224681909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44399 + ... + 49199.

It is an arithmetic number, because the mean of its divisors is an integer number (28653534).

Almost surely, 2^224681999 is an apocalyptic number.

224681999 is a deficient number, since it is larger than the sum of its proper divisors (4546273).

224681999 is an equidigital number, since it uses as much as digits as its factorization.

224681999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737.

The product of its digits is 559872, while the sum is 50.

The square root of 224681999 is about 14989.3962186607. The cubic root of 224681999 is about 607.9335242635.

The spelling of 224681999 in words is "two hundred twenty-four million, six hundred eighty-one thousand, nine hundred ninety-nine".