1850022 has 24 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 608400.

The previous prime is 1850021. The next prime is 1850029. The reversal of 1850022 is 2200581.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1849977 and 1850004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

2^1850022 is an apocalyptic number.

1850022 is an abundant number, since it is smaller than the sum of its proper divisors (2212218).

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

1850022 is a wasteful number, since it uses less digits than its factorization.

1850022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1850022 is about 1360.1551382103. The cubic root of 1850022 is about 122.7605892339.

The spelling of 1850022 in words is "one million, eight hundred fifty thousand, twenty-two".