1223421224 has 16 divisors (see below), whose sum is σ = 2296525920. Its totient is φ = 611014320.

The previous prime is 1223421217. The next prime is 1223421253. The reversal of 1223421224 is 4221243221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223421224.

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, 79532 + ... + 93659.

It is an arithmetic number, because the mean of its divisors is an integer number (143532870).

Almost surely, 2^1223421224 is an apocalyptic number.

It is an amenable number.

1223421224 is a deficient number, since it is larger than the sum of its proper divisors (1073104696).

1223421224 is a wasteful number, since it uses less digits than its factorization.

1223421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174080 (or 174076 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 1223421224 is about 34977.4387855944. The cubic root of 1223421224 is about 1069.5276174947.

Adding to 1223421224 its reverse (4221243221), we get a palindrome (5444664445).

The spelling of 1223421224 in words is "one billion, two hundred twenty-three million, four hundred twenty-one thousand, two hundred twenty-four".