2622016 has 28 divisors (see below), whose sum is σ = 5308092. Its totient is φ = 1284608.

The previous prime is 2622013. The next prime is 2622017. The reversal of 2622016 is 6102262.

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 1700416 = 960^2 + 1304^2 .

It is a super-3 number, since 3×2622016³ = 54078827533337100288, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2621984 and 2622002.

It is not an unprimeable number, because it can be changed into a prime (2622013) 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, 3006 + ... + 3778.

2^2622016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2622016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2654046).

2622016 is an abundant number, since it is smaller than the sum of its proper divisors (2686076).

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

2622016 is an equidigital number, since it uses as much as digits as its factorization.

2622016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2622016 is about 1619.2640303545. The cubic root of 2622016 is about 137.8939183351.

Adding to 2622016 its reverse (6102262), we get a palindrome (8724278).

It can be divided in two parts, 262 and 2016, that added together give a triangular number (2278 = T₆₇).

The spelling of 2622016 in words is "two million, six hundred twenty-two thousand, sixteen".