1322340 has 24 divisors (see below), whose sum is σ = 3702720. Its totient is φ = 352608.

The previous prime is 1322333. The next prime is 1322341. The reversal of 1322340 is 432231.

It is a super-5 number, since 5×1322340⁵ (a number of 32 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1322341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10960 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (154280).

2^1322340 is an apocalyptic number.

1322340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322340 is an abundant number, since it is smaller than the sum of its proper divisors (2380380).

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

1322340 is a wasteful number, since it uses less digits than its factorization.

1322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22051 (or 22049 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1322340 is about 1149.9304326784. The cubic root of 1322340 is about 109.7609132244.

Adding to 1322340 its reverse (432231), we get a palindrome (1754571).

The spelling of 1322340 in words is "one million, three hundred twenty-two thousand, three hundred forty".