2250216 has 24 divisors (see below), whose sum is σ = 6094530. Its totient is φ = 750048.

The previous prime is 2250181. The next prime is 2250223. The reversal of 2250216 is 6120522.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 427716 = 1350^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15555 + ... + 15698.

2^2250216 is an apocalyptic number.

It is an amenable number.

2250216 is an abundant number, since it is smaller than the sum of its proper divisors (3844314).

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

2250216 is a wasteful number, since it uses less digits than its factorization.

2250216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31265 (or 31258 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2250216 is about 1500.0719982721. The cubic root of 2250216 is about 131.0412627625.

Adding to 2250216 its reverse (6120522), we get a palindrome (8370738).

The spelling of 2250216 in words is "two million, two hundred fifty thousand, two hundred sixteen".