12229190 has 32 divisors (see below), whose sum is σ = 23003136. Its totient is φ = 4675680.

The previous prime is 12229187. The next prime is 12229207. The reversal of 12229190 is 9192221.

It is a happy number.

12229190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12229190² = 299106176112200, 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 15 ways as a sum of consecutive naturals, for example, 31739 + ... + 32121.

It is an arithmetic number, because the mean of its divisors is an integer number (718848).

Almost surely, 2^12229190 is an apocalyptic number.

12229190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12229190 is a deficient number, since it is larger than the sum of its proper divisors (10773946).

12229190 is a wasteful number, since it uses less digits than its factorization.

12229190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12229190 is about 3497.0258792294. The cubic root of 12229190 is about 230.3912056788.

The spelling of 12229190 in words is "twelve million, two hundred twenty-nine thousand, one hundred ninety".