1224213244 has 12 divisors (see below), whose sum is σ = 2255129800. Its totient is φ = 579890448.

The previous prime is 1224213227. The next prime is 1224213251. The reversal of 1224213244 is 4423124221.

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, 8053959 + ... + 8054110.

Almost surely, 2^1224213244 is an apocalyptic number.

It is an amenable number.

1224213244 is a deficient number, since it is larger than the sum of its proper divisors (1030916556).

1224213244 is a wasteful number, since it uses less digits than its factorization.

1224213244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16108092 (or 16108090 counting only the distinct ones).

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

The square root of 1224213244 is about 34988.7588233707. The cubic root of 1224213244 is about 1069.7583650946.

Adding to 1224213244 its reverse (4423124221), we get a palindrome (5647337465).

The spelling of 1224213244 in words is "one billion, two hundred twenty-four million, two hundred thirteen thousand, two hundred forty-four".