1340022 has 8 divisors (see below), whose sum is σ = 2680056. Its totient is φ = 446672.

The previous prime is 1340021. The next prime is 1340033. The reversal of 1340022 is 2200431.

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

1340022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340021) 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 3 ways as a sum of consecutive naturals, for example, 111663 + ... + 111674.

It is an arithmetic number, because the mean of its divisors is an integer number (335007).

2^1340022 is an apocalyptic number.

1340022 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.

1340022 is a wasteful number, since it uses less digits than its factorization.

1340022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223342.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1340022 is about 1157.5931927927. The cubic root of 1340022 is about 110.2479804855.

Adding to 1340022 its reverse (2200431), we get a palindrome (3540453).

The spelling of 1340022 in words is "one million, three hundred forty thousand, twenty-two".