12244557 has 12 divisors (see below), whose sum is σ = 17679264. Its totient is φ = 7534800.

The previous prime is 12244549. The next prime is 12244559. The reversal of 12244557 is 75544221.

It is not a de Polignac number, because 12244557 - 2³ = 12244549 is a prime.

It is a super-2 number, since 2×12244557² = 299858352252498, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11569 + ... + 12582.

It is an arithmetic number, because the mean of its divisors is an integer number (1473272).

Almost surely, 2^12244557 is an apocalyptic number.

It is an amenable number.

12244557 is a deficient number, since it is larger than the sum of its proper divisors (5434707).

12244557 is a wasteful number, since it uses less digits than its factorization.

12244557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180 (or 24167 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 12244557 is about 3499.2223421783. Note that the first 3 decimals coincide. The cubic root of 12244557 is about 230.4876672255.

Adding to 12244557 its reverse (75544221), we get a palindrome (87788778).

The spelling of 12244557 in words is "twelve million, two hundred forty-four thousand, five hundred fifty-seven".