12223387 has 8 divisors (see below), whose sum is σ = 13363632. Its totient is φ = 11088000.

The previous prime is 12223381. The next prime is 12223399. The reversal of 12223387 is 78332221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12223387 is a prime.

It is a super-2 number, since 2×12223387² = 298822379503538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5887 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (1670454).

Almost surely, 2^12223387 is an apocalyptic number.

12223387 is a deficient number, since it is larger than the sum of its proper divisors (1140245).

12223387 is a wasteful number, since it uses less digits than its factorization.

12223387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429.

The product of its digits is 4032, while the sum is 28.

The square root of 12223387 is about 3496.1960757372. The cubic root of 12223387 is about 230.3547581383.

The spelling of 12223387 in words is "twelve million, two hundred twenty-three thousand, three hundred eighty-seven".