1224253552 has 10 divisors (see below), whose sum is σ = 2371991288. Its totient is φ = 612126768.

The previous prime is 1224253529. The next prime is 1224253561. The reversal of 1224253552 is 2553524221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38257908 + ... + 38257939.

Almost surely, 2^1224253552 is an apocalyptic number.

It is an amenable number.

1224253552 is a deficient number, since it is larger than the sum of its proper divisors (1147737736).

1224253552 is an equidigital number, since it uses as much as digits as its factorization.

1224253552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76515855 (or 76515849 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 1224253552 is about 34989.3348322028. The cubic root of 1224253552 is about 1069.7701057907.

Adding to 1224253552 its reverse (2553524221), we get a palindrome (3777777773).

The spelling of 1224253552 in words is "one billion, two hundred twenty-four million, two hundred fifty-three thousand, five hundred fifty-two".