2820022 has 8 divisors (see below), whose sum is σ = 4237200. Its totient is φ = 1407624.

The previous prime is 2820019. The next prime is 2820031. The reversal of 2820022 is 2200282.

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

It is a junction number, because it is equal to n+sod(n) for n = 2819978 and 2820005.

It is a congruent number.

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, 1479 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (529650).

2^2820022 is an apocalyptic number.

2820022 is a deficient number, since it is larger than the sum of its proper divisors (1417178).

2820022 is a wasteful number, since it uses less digits than its factorization.

2820022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2820022 is about 1679.2921127666. The cubic root of 2820022 is about 141.2811318332.

The spelling of 2820022 in words is "two million, eight hundred twenty thousand, twenty-two".