1802022 has 16 divisors (see below), whose sum is σ = 3622320. Its totient is φ = 597632.

The previous prime is 1801997. The next prime is 1802029. The reversal of 1802022 is 2202081.

It is a junction number, because it is equal to n+sod(n) for n = 1801992 and 1802010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (226395).

2^1802022 is an apocalyptic number.

1802022 is an abundant number, since it is smaller than the sum of its proper divisors (1820298).

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

1802022 is a wasteful number, since it uses less digits than its factorization.

1802022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1802022 is about 1342.3941299037. The cubic root of 1802022 is about 121.6895718015.

The spelling of 1802022 in words is "one million, eight hundred two thousand, twenty-two".