12229375 has 20 divisors (see below), whose sum is σ = 16194816. Its totient is φ = 9200000.

The previous prime is 12229367. The next prime is 12229381. The reversal of 12229375 is 57392221.

It is not a de Polignac number, because 12229375 - 2³ = 12229367 is a prime.

It is a super-2 number, since 2×12229375² = 299115225781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10050 + ... + 11200.

Almost surely, 2^12229375 is an apocalyptic number.

12229375 is a deficient number, since it is larger than the sum of its proper divisors (3965441).

12229375 is an equidigital number, since it uses as much as digits as its factorization.

12229375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1173 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 12229375 is about 3497.0523301775. The cubic root of 12229375 is about 230.3923674390.

The spelling of 12229375 in words is "twelve million, two hundred twenty-nine thousand, three hundred seventy-five".