1000223446 has 4 divisors (see below), whose sum is σ = 1500335172. Its totient is φ = 500111722.

The previous prime is 1000223431. The next prime is 1000223447. The reversal of 1000223446 is 6443220001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1000223446² = 2000893883856229832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000223447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250055860 + ... + 250055863.

It is an arithmetic number, because the mean of its divisors is an integer number (375083793).

Almost surely, 2^1000223446 is an apocalyptic number.

1000223446 is a deficient number, since it is larger than the sum of its proper divisors (500111726).

1000223446 is an equidigital number, since it uses as much as digits as its factorization.

1000223446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500111725.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1000223446 is about 31626.3093958179. The cubic root of 1000223446 is about 1000.0744764531.

Adding to 1000223446 its reverse (6443220001), we get a palindrome (7443443447).

The spelling of 1000223446 in words is "one billion, two hundred twenty-three thousand, four hundred forty-six".