2216922 has 8 divisors (see below), whose sum is σ = 4433856. Its totient is φ = 738972.

The previous prime is 2216917. The next prime is 2216941. The reversal of 2216922 is 2296122.

It is a sphenic number, since it is the product of 3 distinct primes.

2216922 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹² + 2¹³ + 1 + 6⁸ + 9³ + 2¹⁸ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2216892 and 2216901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184738 + ... + 184749.

It is an arithmetic number, because the mean of its divisors is an integer number (554232).

2^2216922 is an apocalyptic number.

2216922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2216922 is a wasteful number, since it uses less digits than its factorization.

2216922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369492.

The product of its digits is 864, while the sum is 24.

The square root of 2216922 is about 1488.9331751291. The cubic root of 2216922 is about 130.3917571038.

The spelling of 2216922 in words is "two million, two hundred sixteen thousand, nine hundred twenty-two".