1864022 has 8 divisors (see below), whose sum is σ = 2816856. Its totient is φ = 925072.

The previous prime is 1864003. The next prime is 1864039. The reversal of 1864022 is 2204681.

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

It is a congruent number.

It is an unprimeable number.

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, 3128 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (352107).

2^1864022 is an apocalyptic number.

1864022 is a deficient number, since it is larger than the sum of its proper divisors (952834).

1864022 is a wasteful number, since it uses less digits than its factorization.

1864022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1864022 is about 1365.2919101789. The cubic root of 1864022 is about 123.0694740484.

The spelling of 1864022 in words is "one million, eight hundred sixty-four thousand, twenty-two".