1798022 has 8 divisors (see below), whose sum is σ = 2855736. Its totient is φ = 846112.

The previous prime is 1798021. The next prime is 1798033. The reversal of 1798022 is 2208971.

It is a happy number.

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

It is a super-2 number, since 2×1798022² = 6465766224968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798021) 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 3 ways as a sum of consecutive naturals, for example, 26408 + ... + 26475.

It is an arithmetic number, because the mean of its divisors is an integer number (356967).

2^1798022 is an apocalyptic number.

1798022 is a deficient number, since it is larger than the sum of its proper divisors (1057714).

1798022 is a wasteful number, since it uses less digits than its factorization.

1798022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52902.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1798022 is about 1340.9034267985. The cubic root of 1798022 is about 121.5994658189.

The spelling of 1798022 in words is "one million, seven hundred ninety-eight thousand, twenty-two".