223047646 has 8 divisors (see below), whose sum is σ = 334696320. Its totient is φ = 111482208.

The previous prime is 223047641. The next prime is 223047647. The reversal of 223047646 is 646740322.

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

It is a super-2 number, since 2×223047646² = 99500504772282632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223047641) 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 3 ways as a sum of consecutive naturals, for example, 13611 + ... + 25126.

It is an arithmetic number, because the mean of its divisors is an integer number (41837040).

Almost surely, 2^223047646 is an apocalyptic number.

223047646 is a deficient number, since it is larger than the sum of its proper divisors (111648674).

223047646 is a wasteful number, since it uses less digits than its factorization.

223047646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41618.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 223047646 is about 14934.7797439400. The cubic root of 223047646 is about 606.4558849245.

Adding to 223047646 its reverse (646740322), we get a palindrome (869787968).

The spelling of 223047646 in words is "two hundred twenty-three million, forty-seven thousand, six hundred forty-six".