1224355052 has 24 divisors (see below), whose sum is σ = 2189266800. Its totient is φ = 598973760.

The previous prime is 1224355043. The next prime is 1224355087. The reversal of 1224355052 is 2505534221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24602 + ... + 55262.

It is an arithmetic number, because the mean of its divisors is an integer number (91219450).

Almost surely, 2^1224355052 is an apocalyptic number.

It is an amenable number.

1224355052 is a deficient number, since it is larger than the sum of its proper divisors (964911748).

1224355052 is a wasteful number, since it uses less digits than its factorization.

1224355052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30881 (or 30879 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1224355052 is about 34990.7852441182. The cubic root of 1224355052 is about 1069.7996690199.

Adding to 1224355052 its reverse (2505534221), we get a palindrome (3729889273).

The spelling of 1224355052 in words is "one billion, two hundred twenty-four million, three hundred fifty-five thousand, fifty-two".