2216562 has 32 divisors (see below), whose sum is σ = 4852224. Its totient is φ = 672000.

The previous prime is 2216551. The next prime is 2216563. The reversal of 2216562 is 2656122.

It is a d-powerful number, because it can be written as 2⁸ + 2¹⁰ + 1 + 6 + 5⁹ + 6 + 2¹⁸ .

It is not an unprimeable number, because it can be changed into a prime (2216563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2812 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^2216562 is an apocalyptic number.

2216562 is an abundant number, since it is smaller than the sum of its proper divisors (2635662).

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

2216562 is a wasteful number, since it uses less digits than its factorization.

2216562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its digits is 1440, while the sum is 24.

The square root of 2216562 is about 1488.8122782943. The cubic root of 2216562 is about 130.3846987328.

Subtracting from 2216562 its product of digits (1440), we obtain a palindrome (2215122).

The spelling of 2216562 in words is "two million, two hundred sixteen thousand, five hundred sixty-two".