12272244 has 24 divisors (see below), whose sum is σ = 28916160. Its totient is φ = 4050624.

The previous prime is 12272237. The next prime is 12272257. The reversal of 12272244 is 44227221.

12272244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3729 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (1204840).

Almost surely, 2^12272244 is an apocalyptic number.

It is an amenable number.

12272244 is an abundant number, since it is smaller than the sum of its proper divisors (16643916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12272244 is a wasteful number, since it uses less digits than its factorization.

12272244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039 (or 10037 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 12272244 is about 3503.1762730414. The cubic root of 12272244 is about 230.6612602265.

Adding to 12272244 its reverse (44227221), we get a palindrome (56499465).

The spelling of 12272244 in words is "twelve million, two hundred seventy-two thousand, two hundred forty-four".