12225790 has 16 divisors (see below), whose sum is σ = 22543920. Its totient is φ = 4770880.

The previous prime is 12225779. The next prime is 12225823. The reversal of 12225790 is 9752221.

It is a super-2 number, since 2×12225790² = 298939882248200, which contains 22 as substring.

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, 14500 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (1408995).

Almost surely, 2^12225790 is an apocalyptic number.

12225790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12225790 is a deficient number, since it is larger than the sum of its proper divisors (10318130).

12225790 is a wasteful number, since it uses less digits than its factorization.

12225790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29867.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12225790 is about 3496.5397180641. The cubic root of 12225790 is about 230.3698523239.

The spelling of 12225790 in words is "twelve million, two hundred twenty-five thousand, seven hundred ninety".