12215022 has 8 divisors (see below), whose sum is σ = 24430056. Its totient is φ = 4071672.

The previous prime is 12214999. The next prime is 12215033. The reversal of 12215022 is 22051221.

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

12215022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12214992 and 12215010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017913 + ... + 1017924.

It is an arithmetic number, because the mean of its divisors is an integer number (3053757).

Almost surely, 2^12215022 is an apocalyptic number.

12215022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12215022 is a wasteful number, since it uses less digits than its factorization.

12215022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035842.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12215022 is about 3494.9995708154. Note that the first 3 decimals coincide. The cubic root of 12215022 is about 230.3021988578.

Adding to 12215022 its reverse (22051221), we get a palindrome (34266243).

The spelling of 12215022 in words is "twelve million, two hundred fifteen thousand, twenty-two".