2217012 has 24 divisors (see below), whose sum is σ = 5912256. Its totient is φ = 633408.

The previous prime is 2217011. The next prime is 2217023. The reversal of 2217012 is 2107122.

It is a junction number, because it is equal to n+sod(n) for n = 2216982 and 2217000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217011) 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, 13113 + ... + 13280.

It is an arithmetic number, because the mean of its divisors is an integer number (246344).

2^2217012 is an apocalyptic number.

It is an amenable number.

2217012 is an abundant number, since it is smaller than the sum of its proper divisors (3695244).

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

2217012 is a wasteful number, since it uses less digits than its factorization.

2217012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26407 (or 26405 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2217012 is about 1488.9633978040. The cubic root of 2217012 is about 130.3935215771.

The spelling of 2217012 in words is "two million, two hundred seventeen thousand, twelve".