1922442 has 16 divisors (see below), whose sum is σ = 3859680. Its totient is φ = 638352.

The previous prime is 1922429. The next prime is 1922447. The reversal of 1922442 is 2442291.

It is not an unprimeable number, because it can be changed into a prime (1922447) by changing a digit.

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, 1809 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (241230).

2^1922442 is an apocalyptic number.

1922442 is an abundant number, since it is smaller than the sum of its proper divisors (1937238).

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

1922442 is a wasteful number, since it uses less digits than its factorization.

1922442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237.

The product of its digits is 1152, while the sum is 24.

The square root of 1922442 is about 1386.5215468935. The cubic root of 1922442 is about 124.3419713987.

It can be divided in two parts, 192 and 2442, that multiplied together give a palindrome (468864).

The spelling of 1922442 in words is "one million, nine hundred twenty-two thousand, four hundred forty-two".