12220274 has 12 divisors (see below), whose sum is σ = 20148702. Its totient is φ = 5554560.

The previous prime is 12220267. The next prime is 12220277. The reversal of 12220274 is 47202221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11854249 + 366025 = 3443^2 + 605^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12220277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25007 + ... + 25490.

Almost surely, 2^12220274 is an apocalyptic number.

12220274 is a deficient number, since it is larger than the sum of its proper divisors (7928428).

12220274 is a wasteful number, since it uses less digits than its factorization.

12220274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50521 (or 50510 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12220274 is about 3495.7508492454. The cubic root of 12220274 is about 230.3352012226.

Adding to 12220274 its reverse (47202221), we get a palindrome (59422495).

The spelling of 12220274 in words is "twelve million, two hundred twenty thousand, two hundred seventy-four".