1816022 has 8 divisors (see below), whose sum is σ = 2933616. Its totient is φ = 838152.

The previous prime is 1816007. The next prime is 1816027. The reversal of 1816022 is 2206181.

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 = 1815985 and 1816003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816027) 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, 34898 + ... + 34949.

It is an arithmetic number, because the mean of its divisors is an integer number (366702).

2^1816022 is an apocalyptic number.

1816022 is a deficient number, since it is larger than the sum of its proper divisors (1117594).

1816022 is a wasteful number, since it uses less digits than its factorization.

1816022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69862.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1816022 is about 1347.5986049266. The cubic root of 1816022 is about 122.0038966775.

The spelling of 1816022 in words is "one million, eight hundred sixteen thousand, twenty-two".