1022838 has 8 divisors (see below), whose sum is σ = 2045688. Its totient is φ = 340944.

The previous prime is 1022837. The next prime is 1022843. The reversal of 1022838 is 8382201.

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

1022838 is an admirable number.

It is a super-3 number, since 3×1022838³ = 3210271903333753416, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85231 + ... + 85242.

It is an arithmetic number, because the mean of its divisors is an integer number (255711).

2^1022838 is an apocalyptic number.

1022838 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.

1022838 is a wasteful number, since it uses less digits than its factorization.

1022838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170478.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1022838 is about 1011.3545372420. The cubic root of 1022838 is about 100.7555438253.

The spelling of 1022838 in words is "one million, twenty-two thousand, eight hundred thirty-eight".