223442306 has 8 divisors (see below), whose sum is σ = 335403264. Its totient is φ = 111641220.

The previous prime is 223442281. The next prime is 223442357. The reversal of 223442306 is 603244322.

223442306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×223442306² = 99852928221195272, which contains 22 as substring.

It is an unprimeable number.

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, 36410 + ... + 42101.

It is an arithmetic number, because the mean of its divisors is an integer number (41925408).

Almost surely, 2^223442306 is an apocalyptic number.

223442306 is a deficient number, since it is larger than the sum of its proper divisors (111960958).

223442306 is a wasteful number, since it uses less digits than its factorization.

223442306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79936.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 223442306 is about 14947.9866871763. The cubic root of 223442306 is about 606.8133613913.

Adding to 223442306 its reverse (603244322), we get a palindrome (826686628).

The spelling of 223442306 in words is "two hundred twenty-three million, four hundred forty-two thousand, three hundred six".