1021922 has 8 divisors (see below), whose sum is σ = 1672272. Its totient is φ = 464500.

The previous prime is 1021919. The next prime is 1021961. The reversal of 1021922 is 2291201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1021922.

It is an unprimeable number.

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, 23204 + ... + 23247.

It is an arithmetic number, because the mean of its divisors is an integer number (209034).

2^1021922 is an apocalyptic number.

1021922 is a deficient number, since it is larger than the sum of its proper divisors (650350).

1021922 is a wasteful number, since it uses less digits than its factorization.

1021922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46464.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1021922 is about 1010.9015778007. The cubic root of 1021922 is about 100.7254577177.

The spelling of 1021922 in words is "one million, twenty-one thousand, nine hundred twenty-two".