1022850 has 36 divisors (see below), whose sum is σ = 2749266. Its totient is φ = 272640.

The previous prime is 1022849. The next prime is 1022869. The reversal of 1022850 is 582201.

It can be written as a sum of positive squares in 3 ways, for example, as 927369 + 95481 = 963^2 + 309^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 17 ways as a sum of consecutive naturals, for example, 687 + ... + 1586.

2^1022850 is an apocalyptic number.

1022850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022850 is an abundant number, since it is smaller than the sum of its proper divisors (1726416).

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

1022850 is a wasteful number, since it uses less digits than its factorization.

1022850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1022850 is about 1011.3604698623. The cubic root of 1022850 is about 100.7559378472.

The spelling of 1022850 in words is "one million, twenty-two thousand, eight hundred fifty".