1223444468 has 12 divisors (see below), whose sum is σ = 2142215040. Its totient is φ = 611383032.

The previous prime is 1223444407. The next prime is 1223444483. The reversal of 1223444468 is 8644443221.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76598 + ... + 91181.

It is an arithmetic number, because the mean of its divisors is an integer number (178517920).

Almost surely, 2^1223444468 is an apocalyptic number.

It is an amenable number.

1223444468 is a deficient number, since it is larger than the sum of its proper divisors (918770572).

1223444468 is a wasteful number, since it uses less digits than its factorization.

1223444468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169606 (or 169604 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 1223444468 is about 34977.7710553431. The cubic root of 1223444468 is about 1069.5343908344.

Adding to 1223444468 its reverse (8644443221), we get a palindrome (9867887689).

The spelling of 1223444468 in words is "one billion, two hundred twenty-three million, four hundred forty-four thousand, four hundred sixty-eight".