1224253868 has 12 divisors (see below), whose sum is σ = 2145920952. Its totient is φ = 611133600.

The previous prime is 1224253843. The next prime is 1224253871. The reversal of 1224253868 is 8683524221.

It is a super-2 number, since 2×1224253868² = 2997595066625922848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245558 + ... + 250493.

It is an arithmetic number, because the mean of its divisors is an integer number (178826746).

Almost surely, 2^1224253868 is an apocalyptic number.

It is an amenable number.

1224253868 is a deficient number, since it is larger than the sum of its proper divisors (921667084).

1224253868 is a wasteful number, since it uses less digits than its factorization.

1224253868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496672 (or 496670 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 1224253868 is about 34989.3393478642. The cubic root of 1224253868 is about 1069.7701978325.

The spelling of 1224253868 in words is "one billion, two hundred twenty-four million, two hundred fifty-three thousand, eight hundred sixty-eight".