1322081 has 4 divisors (see below), whose sum is σ = 1367700. Its totient is φ = 1276464.

The previous prime is 1322033. The next prime is 1322089. The reversal of 1322081 is 1802231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 483025 + 839056 = 695^2 + 916^2 .

It is not a de Polignac number, because 1322081 - 2¹⁸ = 1059937 is a prime.

It is a super-2 number, since 2×1322081² = 3495796341122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22766 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (341925).

2^1322081 is an apocalyptic number.

It is an amenable number.

1322081 is a deficient number, since it is larger than the sum of its proper divisors (45619).

1322081 is an equidigital number, since it uses as much as digits as its factorization.

1322081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45618.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1322081 is about 1149.8178116554. The cubic root of 1322081 is about 109.7537466528.

The spelling of 1322081 in words is "one million, three hundred twenty-two thousand, eighty-one".