1979022 has 16 divisors (see below), whose sum is σ = 3980880. Its totient is φ = 655872.

The previous prime is 1978997. The next prime is 1979039. The reversal of 1979022 is 2209791.

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 7 ways as a sum of consecutive naturals, for example, 304 + ... + 2012.

It is an arithmetic number, because the mean of its divisors is an integer number (248805).

2^1979022 is an apocalyptic number.

1979022 is an abundant number, since it is smaller than the sum of its proper divisors (2001858).

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

1979022 is a wasteful number, since it uses less digits than its factorization.

1979022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1979022 is about 1406.7771678557. Note that the first 3 decimals coincide. The cubic root of 1979022 is about 125.5500453837.

The spelling of 1979022 in words is "one million, nine hundred seventy-nine thousand, twenty-two".