1224533532 has 72 divisors (see below), whose sum is σ = 2950202640. Its totient is φ = 395297280.

The previous prime is 1224533509. The next prime is 1224533543. The reversal of 1224533532 is 2353354221.

It is a super-4 number, since 4×1224533532⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1224533532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5080932 + ... + 5081172.

Almost surely, 2^1224533532 is an apocalyptic number.

1224533532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224533532 is an abundant number, since it is smaller than the sum of its proper divisors (1725669108).

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

1224533532 is a wasteful number, since it uses less digits than its factorization.

1224533532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 518 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 1224533532 is about 34993.3355369276. The cubic root of 1224533532 is about 1069.8516497389.

Adding to 1224533532 its reverse (2353354221), we get a palindrome (3577887753).

The spelling of 1224533532 in words is "one billion, two hundred twenty-four million, five hundred thirty-three thousand, five hundred thirty-two".