12224445 has 16 divisors (see below), whose sum is σ = 20710080. Its totient is φ = 6136064.

The previous prime is 12224413. The next prime is 12224473. The reversal of 12224445 is 54442221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12224445 - 2⁵ = 12224413 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23715 + ... + 24224.

It is an arithmetic number, because the mean of its divisors is an integer number (1294380).

Almost surely, 2^12224445 is an apocalyptic number.

12224445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12224445 is a deficient number, since it is larger than the sum of its proper divisors (8485635).

12224445 is a wasteful number, since it uses less digits than its factorization.

12224445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47964.

The product of its digits is 2560, while the sum is 24.

The square root of 12224445 is about 3496.3473797665. The cubic root of 12224445 is about 230.3614040950.

Adding to 12224445 its reverse (54442221), we get a palindrome (66666666).

The spelling of 12224445 in words is "twelve million, two hundred twenty-four thousand, four hundred forty-five".