1922022 has 16 divisors (see below), whose sum is σ = 4271280. Its totient is φ = 640656.

The previous prime is 1921981. The next prime is 1922027. The reversal of 1922022 is 2202291.

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 = 1921986 and 1922004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17743 + ... + 17850.

It is an arithmetic number, because the mean of its divisors is an integer number (266955).

2^1922022 is an apocalyptic number.

1922022 is an abundant number, since it is smaller than the sum of its proper divisors (2349258).

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

1922022 is a wasteful number, since it uses less digits than its factorization.

1922022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35604 (or 35598 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1922022 is about 1386.3700804619. The cubic root of 1922022 is about 124.3329156540.

The spelling of 1922022 in words is "one million, nine hundred twenty-two thousand, twenty-two".