2622081 has 16 divisors (see below), whose sum is σ = 4359168. Its totient is φ = 1362000.

The previous prime is 2622049. The next prime is 2622091. The reversal of 2622081 is 1802262.

It is not a de Polignac number, because 2622081 - 2⁵ = 2622049 is a prime.

It is a super-2 number, since 2×2622081² = 13750617541122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2622031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5445 + ... + 5906.

It is an arithmetic number, because the mean of its divisors is an integer number (272448).

2^2622081 is an apocalyptic number.

2622081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2622081 is a deficient number, since it is larger than the sum of its proper divisors (1737087).

2622081 is a wasteful number, since it uses less digits than its factorization.

2622081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2622081 is about 1619.2841010768. The cubic root of 2622081 is about 137.8950577930.

The spelling of 2622081 in words is "two million, six hundred twenty-two thousand, eighty-one".