2216334 has 16 divisors (see below), whose sum is σ = 4447440. Its totient is φ = 736320.

The previous prime is 2216323. The next prime is 2216351. The reversal of 2216334 is 4336122.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772 + ... + 3480.

It is an arithmetic number, because the mean of its divisors is an integer number (277965).

2^2216334 is an apocalyptic number.

2216334 is an abundant number, since it is smaller than the sum of its proper divisors (2231106).

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

2216334 is a wasteful number, since it uses less digits than its factorization.

2216334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235.

The product of its digits is 864, while the sum is 21.

The square root of 2216334 is about 1488.7357052210. The cubic root of 2216334 is about 130.3802280359.

It can be divided in two parts, 221 and 6334, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 2216334 in words is "two million, two hundred sixteen thousand, three hundred thirty-four".