12422190 has 32 divisors (see below), whose sum is σ = 32524416. Its totient is φ = 3011360.

The previous prime is 12422153. The next prime is 12422209. The reversal of 12422190 is 9122421.

It is a super-2 number, since 2×12422190² = 308621608792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18492 + ... + 19151.

It is an arithmetic number, because the mean of its divisors is an integer number (1016388).

Almost surely, 2^12422190 is an apocalyptic number.

12422190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12422190 is an abundant number, since it is smaller than the sum of its proper divisors (20102226).

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

12422190 is a wasteful number, since it uses less digits than its factorization.

12422190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37664.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12422190 is about 3524.5127322795. The cubic root of 12422190 is about 231.5968896585.

The spelling of 12422190 in words is "twelve million, four hundred twenty-two thousand, one hundred ninety".