223978614 has 16 divisors (see below), whose sum is σ = 448206528. Its totient is φ = 74617992.

The previous prime is 223978607. The next prime is 223978619. The reversal of 223978614 is 416879322.

223978614 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×223978614⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223978619) 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, 2529 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (28012908).

Almost surely, 2^223978614 is an apocalyptic number.

223978614 is an abundant number, since it is smaller than the sum of its proper divisors (224227914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223978614 is a wasteful number, since it uses less digits than its factorization.

223978614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20779.

The product of its digits is 145152, while the sum is 42.

The square root of 223978614 is about 14965.9150739272. The cubic root of 223978614 is about 607.2984662327.

The spelling of 223978614 in words is "two hundred twenty-three million, nine hundred seventy-eight thousand, six hundred fourteen".