1223144224 has 24 divisors (see below), whose sum is σ = 2473150428. Its totient is φ = 595042560.

The previous prime is 1223144213. The next prime is 1223144303. The reversal of 1223144224 is 4224413221.

It can be written as a sum of positive squares in 2 ways, for example, as 965220624 + 257923600 = 31068^2 + 16060^2 .

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, 515347 + ... + 517714.

Almost surely, 2^1223144224 is an apocalyptic number.

It is an amenable number.

1223144224 is an abundant number, since it is smaller than the sum of its proper divisors (1250006204).

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

1223144224 is a wasteful number, since it uses less digits than its factorization.

1223144224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033108 (or 1033100 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1223144224 is about 34973.4788661351. The cubic root of 1223144224 is about 1069.4468926372.

Adding to 1223144224 its reverse (4224413221), we get a palindrome (5447557445).

The spelling of 1223144224 in words is "one billion, two hundred twenty-three million, one hundred forty-four thousand, two hundred twenty-four".