1223324445 has 24 divisors (see below), whose sum is σ = 2276882784. Its totient is φ = 559233696.

The previous prime is 1223324411. The next prime is 1223324461. The reversal of 1223324445 is 5444233221.

1223324445 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1223324445 - 2⁶ = 1223324381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831459 + ... + 832928.

It is an arithmetic number, because the mean of its divisors is an integer number (94870116).

Almost surely, 2^1223324445 is an apocalyptic number.

1223324445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223324445 is a deficient number, since it is larger than the sum of its proper divisors (1053558339).

1223324445 is a wasteful number, since it uses less digits than its factorization.

1223324445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664409 (or 1664402 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 1223324445 is about 34976.0553093113. The cubic root of 1223324445 is about 1069.4994150134.

Adding to 1223324445 its reverse (5444233221), we get a palindrome (6667557666).

The spelling of 1223324445 in words is "one billion, two hundred twenty-three million, three hundred twenty-four thousand, four hundred forty-five".