223649914 has 8 divisors (see below), whose sum is σ = 347043060. Its totient is φ = 107968896.

The previous prime is 223649911. The next prime is 223649917. The reversal of 223649914 is 419946322.

It is an interprime number because it is at equal distance from previous prime (223649911) and next prime (223649917).

It can be written as a sum of positive squares in 2 ways, for example, as 221503689 + 2146225 = 14883^2 + 1465^2 .

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

It is not an unprimeable number, because it can be changed into a prime (223649911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927959 + ... + 1928074.

Almost surely, 2^223649914 is an apocalyptic number.

223649914 is a deficient number, since it is larger than the sum of its proper divisors (123393146).

223649914 is a wasteful number, since it uses less digits than its factorization.

223649914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856064.

The product of its digits is 93312, while the sum is 40.

The square root of 223649914 is about 14954.9294214316. The cubic root of 223649914 is about 607.0012403319.

The spelling of 223649914 in words is "two hundred twenty-three million, six hundred forty-nine thousand, nine hundred fourteen".