12442224457 has 8 divisors (see below), whose sum is σ = 13400190720. Its totient is φ = 11484382800.

The previous prime is 12442224439. The next prime is 12442224479. The reversal of 12442224457 is 75442224421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12442224457 - 2¹⁹ = 12441700169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442224407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340794 + ... + 375532.

It is an arithmetic number, because the mean of its divisors is an integer number (1675023840).

Almost surely, 2^12442224457 is an apocalyptic number.

It is an amenable number.

12442224457 is a deficient number, since it is larger than the sum of its proper divisors (957966263).

12442224457 is a wasteful number, since it uses less digits than its factorization.

12442224457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62303.

The product of its digits is 143360, while the sum is 37.

Adding to 12442224457 its reverse (75442224421), we get a palindrome (87884448878).

The spelling of 12442224457 in words is "twelve billion, four hundred forty-two million, two hundred twenty-four thousand, four hundred fifty-seven".