1322442001 has 4 divisors (see below), whose sum is σ = 1322535604. Its totient is φ = 1322348400.

The previous prime is 1322441999. The next prime is 1322442007. The reversal of 1322442001 is 1002442231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 956293776 + 366148225 = 30924^2 + 19135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322442001 - 2¹ = 1322441999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322442001.

It is not an unprimeable number, because it can be changed into a prime (1322442007) 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, 20790 + ... + 55471.

It is an arithmetic number, because the mean of its divisors is an integer number (330633901).

Almost surely, 2^1322442001 is an apocalyptic number.

It is an amenable number.

1322442001 is a deficient number, since it is larger than the sum of its proper divisors (93603).

1322442001 is an equidigital number, since it uses as much as digits as its factorization.

1322442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93602.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1322442001 is about 36365.3956530106. The cubic root of 1322442001 is about 1097.6373535162.

Adding to 1322442001 its reverse (1002442231), we get a palindrome (2324884232).

It can be divided in two parts, 13224 and 42001, that added together give a square (55225 = 235²).

The spelling of 1322442001 in words is "one billion, three hundred twenty-two million, four hundred forty-two thousand, one".