2240216 has 16 divisors (see below), whose sum is σ = 4582440. Its totient is φ = 1018240.

The previous prime is 2240213. The next prime is 2240267. The reversal of 2240216 is 6120422.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2240194 and 2240203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240213) 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, 12641 + ... + 12816.

2^2240216 is an apocalyptic number.

It is an amenable number.

2240216 is an abundant number, since it is smaller than the sum of its proper divisors (2342224).

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

2240216 is a wasteful number, since it uses less digits than its factorization.

2240216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25474 (or 25470 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2240216 is about 1496.7351135054. The cubic root of 2240216 is about 130.8468579291.

Adding to 2240216 its reverse (6120422), we get a palindrome (8360638).

The spelling of 2240216 in words is "two million, two hundred forty thousand, two hundred sixteen".