12227490 has 128 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 2819520.

The previous prime is 12227489. The next prime is 12227521. The reversal of 12227490 is 9472221.

12227490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68221 + ... + 68399.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

Almost surely, 2^12227490 is an apocalyptic number.

12227490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12227490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18662400).

12227490 is an abundant number, since it is smaller than the sum of its proper divisors (25097310).

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

12227490 is a wasteful number, since it uses less digits than its factorization.

12227490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12227490 is about 3496.7828070957. The cubic root of 12227490 is about 230.3805294961.

The spelling of 12227490 in words is "twelve million, two hundred twenty-seven thousand, four hundred ninety".