1224533396 has 6 divisors (see below), whose sum is σ = 2142933450. Its totient is φ = 612266696.

The previous prime is 1224533383. The next prime is 1224533407. The reversal of 1224533396 is 6933354221.

It can be written as a sum of positive squares in only one way, i.e., 1214522500 + 10010896 = 34850^2 + 3164^2 .

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, 153066671 + ... + 153066678.

It is an arithmetic number, because the mean of its divisors is an integer number (357155575).

Almost surely, 2^1224533396 is an apocalyptic number.

It is an amenable number.

1224533396 is a deficient number, since it is larger than the sum of its proper divisors (918400054).

1224533396 is a wasteful number, since it uses less digits than its factorization.

1224533396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306133353 (or 306133351 counting only the distinct ones).

The product of its digits is 116640, while the sum is 38.

The square root of 1224533396 is about 34993.3335937004. Note that the first 3 decimals coincide. The cubic root of 1224533396 is about 1069.8516101320.

The spelling of 1224533396 in words is "one billion, two hundred twenty-four million, five hundred thirty-three thousand, three hundred ninety-six".