1766022 has 8 divisors (see below), whose sum is σ = 3532056. Its totient is φ = 588672.

The previous prime is 1766021. The next prime is 1766041. The reversal of 1766022 is 2206671.

It is a happy number.

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

1766022 is an admirable number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1765983 and 1766001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1766021) 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 3 ways as a sum of consecutive naturals, for example, 147163 + ... + 147174.

It is an arithmetic number, because the mean of its divisors is an integer number (441507).

2^1766022 is an apocalyptic number.

1766022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1766022 is a wasteful number, since it uses less digits than its factorization.

1766022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294342.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1766022 is about 1328.9176046693. The cubic root of 1766022 is about 120.8737612906.

The spelling of 1766022 in words is "one million, seven hundred sixty-six thousand, twenty-two".