12022655 has 8 divisors (see below), whose sum is σ = 15275952. Its totient is φ = 9052288.

The previous prime is 12022651. The next prime is 12022663. The reversal of 12022655 is 55622021.

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

It is a cyclic number.

It is not a de Polignac number, because 12022655 - 2² = 12022651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12022655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022651) 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, 70637 + ... + 70806.

It is an arithmetic number, because the mean of its divisors is an integer number (1909494).

Almost surely, 2^12022655 is an apocalyptic number.

12022655 is a deficient number, since it is larger than the sum of its proper divisors (3253297).

12022655 is a wasteful number, since it uses less digits than its factorization.

12022655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141465.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12022655 is about 3467.3700408234. The cubic root of 12022655 is about 229.0868329449.

Adding to 12022655 its reverse (55622021), we get a palindrome (67644676).

The spelling of 12022655 in words is "twelve million, twenty-two thousand, six hundred fifty-five".