1322381 has 8 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 1235520.

The previous prime is 1322369. The next prime is 1322389. The reversal of 1322381 is 1832231.

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

It is a cyclic number.

It is not a de Polignac number, because 1322381 - 2⁶ = 1322317 is a prime.

It is a super-2 number, since 2×1322381² = 3497383018322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322389) 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, 1061 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^1322381 is an apocalyptic number.

It is an amenable number.

1322381 is a deficient number, since it is larger than the sum of its proper divisors (88819).

1322381 is an equidigital number, since it uses as much as digits as its factorization.

1322381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its digits is 288, while the sum is 20.

The square root of 1322381 is about 1149.9482597056. The cubic root of 1322381 is about 109.7620476152.

The spelling of 1322381 in words is "one million, three hundred twenty-two thousand, three hundred eighty-one".