1233223444 has 12 divisors (see below), whose sum is σ = 2171382304. Its totient is φ = 612828504.

The previous prime is 1233223441. The next prime is 1233223457. The reversal of 1233223444 is 4443223321.

It is a super-2 number, since 2×1233223444² = 3041680125662442272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233223441) 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, 945072 + ... + 946375.

Almost surely, 2^1233223444 is an apocalyptic number.

It is an amenable number.

1233223444 is a deficient number, since it is larger than the sum of its proper divisors (938158860).

1233223444 is a wasteful number, since it uses less digits than its factorization.

1233223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891614 (or 1891612 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 1233223444 is about 35117.2812729004. The cubic root of 1233223444 is about 1072.3764236932.

Adding to 1233223444 its reverse (4443223321), we get a palindrome (5676446765).

The spelling of 1233223444 in words is "one billion, two hundred thirty-three million, two hundred twenty-three thousand, four hundred forty-four".