12244555 has 8 divisors (see below), whose sum is σ = 14720544. Its totient is φ = 9777600.

The previous prime is 12244549. The next prime is 12244559. The reversal of 12244555 is 55544221.

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

It is not a de Polignac number, because 12244555 - 2⁵ = 12244523 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

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 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (1840068).

Almost surely, 2^12244555 is an apocalyptic number.

12244555 is a deficient number, since it is larger than the sum of its proper divisors (2475989).

12244555 is an equidigital number, since it uses as much as digits as its factorization.

12244555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517.

The product of its digits is 8000, while the sum is 28.

The square root of 12244555 is about 3499.2220564005. Note that the first 3 decimals coincide. The cubic root of 12244555 is about 230.4876546764.

Adding to 12244555 its reverse (55544221), we get a palindrome (67788776).

It can be divided in two parts, 122445 and 55, that added together give a square (122500 = 350²).

The spelling of 12244555 in words is "twelve million, two hundred forty-four thousand, five hundred fifty-five".