2081822 has 16 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 986040.

The previous prime is 2081813. The next prime is 2081831. The reversal of 2081822 is 2281802.

It is an interprime number because it is at equal distance from previous prime (2081813) and next prime (2081831).

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 7547 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

2^2081822 is an apocalyptic number.

2081822 is a deficient number, since it is larger than the sum of its proper divisors (1208290).

2081822 is a wasteful number, since it uses less digits than its factorization.

2081822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2081822 is about 1442.8520367661. The cubic root of 2081822 is about 127.6873472881.

The spelling of 2081822 in words is "two million, eighty-one thousand, eight hundred twenty-two".