2216572 has 12 divisors (see below), whose sum is σ = 3932656. Its totient is φ = 1092960.

The previous prime is 2216569. The next prime is 2216587. The reversal of 2216572 is 2756122.

2216572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504 + ... + 4087.

2^2216572 is an apocalyptic number.

It is an amenable number.

2216572 is a deficient number, since it is larger than the sum of its proper divisors (1716084).

2216572 is a wasteful number, since it uses less digits than its factorization.

2216572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 7666 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 2216572 is about 1488.8156366723. The cubic root of 2216572 is about 130.3848948090.

The spelling of 2216572 in words is "two million, two hundred sixteen thousand, five hundred seventy-two".