12224774487 has 4 divisors (see below), whose sum is σ = 16299699320. Its totient is φ = 8149849656.

The previous prime is 12224774461. The next prime is 12224774561. The reversal of 12224774487 is 78447742221.

12224774487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12224774487 - 2⁶ = 12224774423 is a prime.

It is a super-2 number, since 2×12224774487² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224774407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037462412 + ... + 2037462417.

It is an arithmetic number, because the mean of its divisors is an integer number (4074924830).

Almost surely, 2^12224774487 is an apocalyptic number.

12224774487 is a deficient number, since it is larger than the sum of its proper divisors (4074924833).

12224774487 is an equidigital number, since it uses as much as digits as its factorization.

12224774487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074924832.

The product of its digits is 1404928, while the sum is 48.

The spelling of 12224774487 in words is "twelve billion, two hundred twenty-four million, seven hundred seventy-four thousand, four hundred eighty-seven".