1322221001 has 8 divisors (see below), whose sum is σ = 1411416000. Its totient is φ = 1234986480.

The previous prime is 1322220989. The next prime is 1322221009. The reversal of 1322221001 is 1001222231.

It is a happy number.

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 1322221001 - 2¹⁴ = 1322204617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322221009) 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, 488726 + ... + 491423.

It is an arithmetic number, because the mean of its divisors is an integer number (176427000).

Almost surely, 2^1322221001 is an apocalyptic number.

It is an amenable number.

1322221001 is a deficient number, since it is larger than the sum of its proper divisors (89194999).

1322221001 is an equidigital number, since it uses as much as digits as its factorization.

1322221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980239.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1322221001 is about 36362.3569230599. The cubic root of 1322221001 is about 1097.5762061920.

Adding to 1322221001 its reverse (1001222231), we get a palindrome (2323443232).

The spelling of 1322221001 in words is "one billion, three hundred twenty-two million, two hundred twenty-one thousand, one".