1224847993 has 12 divisors (see below), whose sum is σ = 1245870720. Its totient is φ = 1204154336.

The previous prime is 1224847979. The next prime is 1224848017. The reversal of 1224847993 is 3997484221.

It is not a de Polignac number, because 1224847993 - 2⁵ = 1224847961 is a prime.

It is a super-2 number, since 2×1224847993² = 3000505211912256098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224547993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892796 + ... + 1893442.

It is an arithmetic number, because the mean of its divisors is an integer number (103822560).

Almost surely, 2^1224847993 is an apocalyptic number.

It is an amenable number.

1224847993 is a deficient number, since it is larger than the sum of its proper divisors (21022727).

1224847993 is an frugal number, since it uses more digits than its factorization.

1224847993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 975 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 1224847993 is about 34997.8284040596. The cubic root of 1224847993 is about 1069.9432214318.

The spelling of 1224847993 in words is "one billion, two hundred twenty-four million, eight hundred forty-seven thousand, nine hundred ninety-three".