12622227 has 8 divisors (see below), whose sum is σ = 16850064. Its totient is φ = 8404608.

The previous prime is 12622223. The next prime is 12622271. The reversal of 12622227 is 72222621.

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

It is not a de Polignac number, because 12622227 - 2² = 12622223 is a prime.

It is a super-2 number, since 2×12622227² = 318641228879058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12622197 and 12622206.

It is not an unprimeable number, because it can be changed into a prime (12622223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (2106258).

Almost surely, 2^12622227 is an apocalyptic number.

12622227 is a deficient number, since it is larger than the sum of its proper divisors (4227837).

12622227 is a wasteful number, since it uses less digits than its factorization.

12622227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109.

The product of its digits is 1344, while the sum is 24.

The square root of 12622227 is about 3552.7773642602. Note that the first 3 decimals coincide. The cubic root of 12622227 is about 232.8334261058.

Adding to 12622227 its reverse (72222621), we get a palindrome (84844848).

The spelling of 12622227 in words is "twelve million, six hundred twenty-two thousand, two hundred twenty-seven".