2216934 has 48 divisors (see below), whose sum is σ = 5166720. Its totient is φ = 685440.

The previous prime is 2216917. The next prime is 2216941. The reversal of 2216934 is 4396122.

2216934 = T₁₀₇ + T₁₀₈ + ... + T₂₄₃.

It is a junction number, because it is equal to n+sod(n) for n = 2216898 and 2216907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16114 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (107640).

2^2216934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583360).

2216934 is an abundant number, since it is smaller than the sum of its proper divisors (2949786).

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

2216934 is a wasteful number, since it uses less digits than its factorization.

2216934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2216934 is about 1488.9372048545. The cubic root of 2216934 is about 130.3919923696.

The spelling of 2216934 in words is "two million, two hundred sixteen thousand, nine hundred thirty-four".