1224535552 has 20 divisors (see below), whose sum is σ = 2446680456. Its totient is φ = 612267520.

The previous prime is 1224535547. The next prime is 1224535573. The reversal of 1224535552 is 2555354221.

It is a super-2 number, since 2×1224535552² = 2998974636223889408, which contains 22 as substring.

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, 1195324 + ... + 1196347.

Almost surely, 2^1224535552 is an apocalyptic number.

It is an amenable number.

1224535552 is a deficient number, since it is larger than the sum of its proper divisors (1222144904).

1224535552 is an frugal number, since it uses more digits than its factorization.

1224535552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391689 (or 2391673 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 1224535552 is about 34993.3643995544. The cubic root of 1224535552 is about 1069.8522380171.

Adding to 1224535552 its reverse (2555354221), we get a palindrome (3779889773).

The spelling of 1224535552 in words is "one billion, two hundred twenty-four million, five hundred thirty-five thousand, five hundred fifty-two".