224001213 has 8 divisors (see below), whose sum is σ = 301408800. Its totient is φ = 147963888.

The previous prime is 224001149. The next prime is 224001221. The reversal of 224001213 is 312100422.

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

It is not a de Polignac number, because 224001213 - 2⁶ = 224001149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224001192 and 224001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224001913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342183 + ... + 342836.

It is an arithmetic number, because the mean of its divisors is an integer number (37676100).

Almost surely, 2^224001213 is an apocalyptic number.

It is an amenable number.

224001213 is a deficient number, since it is larger than the sum of its proper divisors (77407587).

224001213 is a wasteful number, since it uses less digits than its factorization.

224001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685131.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 224001213 is about 14966.6700705267. The cubic root of 224001213 is about 607.3188906179.

Adding to 224001213 its reverse (312100422), we get a palindrome (536101635).

The spelling of 224001213 in words is "two hundred twenty-four million, one thousand, two hundred thirteen".