223889377 has 4 divisors (see below), whose sum is σ = 223919380. Its totient is φ = 223859376.

The previous prime is 223889333. The next prime is 223889381. The reversal of 223889377 is 773988322.

223889377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 163609681 + 60279696 = 12791^2 + 7764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223889377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223889377.

It is not an unprimeable number, because it can be changed into a prime (223889317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5899 + ... + 21967.

It is an arithmetic number, because the mean of its divisors is an integer number (55979845).

Almost surely, 2^223889377 is an apocalyptic number.

It is an amenable number.

223889377 is a deficient number, since it is larger than the sum of its proper divisors (30003).

223889377 is a wasteful number, since it uses less digits than its factorization.

223889377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30002.

The product of its digits is 1016064, while the sum is 49.

The square root of 223889377 is about 14962.9334356603. The cubic root of 223889377 is about 607.2178027398.

The spelling of 223889377 in words is "two hundred twenty-three million, eight hundred eighty-nine thousand, three hundred seventy-seven".