2290216 has 16 divisors (see below), whose sum is σ = 4386240. Its totient is φ = 1120560.

The previous prime is 2290213. The next prime is 2290231. The reversal of 2290216 is 6120922.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290213) 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, 2670 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (274140).

2^2290216 is an apocalyptic number.

It is an amenable number.

2290216 is a deficient number, since it is larger than the sum of its proper divisors (2096024).

2290216 is a wasteful number, since it uses less digits than its factorization.

2290216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144 (or 6140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2290216 is about 1513.3459617682. The cubic root of 2290216 is about 131.8131731027.

The spelling of 2290216 in words is "two million, two hundred ninety thousand, two hundred sixteen".