1868022 has 40 divisors (see below), whose sum is σ = 4512816. Its totient is φ = 574128.

The previous prime is 1868017. The next prime is 1868033. The reversal of 1868022 is 2208681.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1663 + ... + 2549.

2^1868022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2256408).

1868022 is an abundant number, since it is smaller than the sum of its proper divisors (2644794).

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

1868022 is a wasteful number, since it uses less digits than its factorization.

1868022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1868022 is about 1366.7560133396. The cubic root of 1868022 is about 123.1574426434.

The spelling of 1868022 in words is "one million, eight hundred sixty-eight thousand, twenty-two".