1223034444 has 48 divisors (see below), whose sum is σ = 3273123840. Its totient is φ = 394526160.

The previous prime is 1223034443. The next prime is 1223034457. The reversal of 1223034444 is 4444303221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1223034443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179304 + ... + 185999.

It is an arithmetic number, because the mean of its divisors is an integer number (68190080).

Almost surely, 2^1223034444 is an apocalyptic number.

It is an amenable number.

1223034444 is an abundant number, since it is smaller than the sum of its proper divisors (2050089396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223034444 is a wasteful number, since it uses less digits than its factorization.

1223034444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365347 (or 365339 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1223034444 is about 34971.9093559388. The cubic root of 1223034444 is about 1069.4148965760.

Adding to 1223034444 its reverse (4444303221), we get a palindrome (5667337665).

The spelling of 1223034444 in words is "one billion, two hundred twenty-three million, thirty-four thousand, four hundred forty-four".