12422280 has 64 divisors (see below), whose sum is σ = 40138560. Its totient is φ = 3057408.

The previous prime is 12422243. The next prime is 12422281. The reversal of 12422280 is 8222421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2422 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (627165).

Almost surely, 2^12422280 is an apocalyptic number.

12422280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12422280 is an abundant number, since it is smaller than the sum of its proper divisors (27716280).

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

12422280 is a wasteful number, since it uses less digits than its factorization.

12422280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990 (or 7986 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 12422280 is about 3524.5254999787. The cubic root of 12422280 is about 231.5974489713.

The spelling of 12422280 in words is "twelve million, four hundred twenty-two thousand, two hundred eighty".