2216472 has 16 divisors (see below), whose sum is σ = 5541240. Its totient is φ = 738816.

The previous prime is 2216471. The next prime is 2216479. The reversal of 2216472 is 2746122.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 92353 = 2216472 / (2 + 2 + 1 + 6 + 4 + 7 + 2).

It is a d-powerful number, because it can be written as 2⁷ + 2⁹ + 1 + 6 + 4⁵ + 7⁶ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46153 + ... + 46200.

2^2216472 is an apocalyptic number.

It is an amenable number.

2216472 is an abundant number, since it is smaller than the sum of its proper divisors (3324768).

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

2216472 is a wasteful number, since it uses less digits than its factorization.

2216472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92362 (or 92358 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 2216472 is about 1488.7820525517. The cubic root of 2216472 is about 130.3829340206.

The spelling of 2216472 in words is "two million, two hundred sixteen thousand, four hundred seventy-two".