12022185 has 32 divisors (see below), whose sum is σ = 22355712. Its totient is φ = 5402880.

The previous prime is 12022181. The next prime is 12022223. The reversal of 12022185 is 58122021.

12022185 = T₁₆₃₀ + T₁₆₃₁ + ... + T₁₆₃₈.

It is a happy number.

It is not a de Polignac number, because 12022185 - 2² = 12022181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12022181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5467 + ... + 7343.

It is an arithmetic number, because the mean of its divisors is an integer number (698616).

Almost surely, 2^12022185 is an apocalyptic number.

12022185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12022185 is a deficient number, since it is larger than the sum of its proper divisors (10333527).

12022185 is a wasteful number, since it uses less digits than its factorization.

12022185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12022185 is about 3467.3022654508. The cubic root of 12022185 is about 229.0838476860.

The spelling of 12022185 in words is "twelve million, twenty-two thousand, one hundred eighty-five".