12226450 has 12 divisors (see below), whose sum is σ = 22741290. Its totient is φ = 4890560.

The previous prime is 12226433. The next prime is 12226453. The reversal of 12226450 is 5462221.

It can be written as a sum of positive squares in 3 ways, for example, as 5377761 + 6848689 = 2319^2 + 2617^2 .

It is not an unprimeable number, because it can be changed into a prime (12226453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122215 + ... + 122314.

Almost surely, 2^12226450 is an apocalyptic number.

12226450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12226450 is a deficient number, since it is larger than the sum of its proper divisors (10514840).

12226450 is a wasteful number, since it uses less digits than its factorization.

12226450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244541 (or 244536 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12226450 is about 3496.6340958127. The cubic root of 12226450 is about 230.3739976965.

Adding to 12226450 its reverse (5462221), we get a palindrome (17688671).

The spelling of 12226450 in words is "twelve million, two hundred twenty-six thousand, four hundred fifty".