1322220011 has 8 divisors (see below), whose sum is σ = 1511791584. Its totient is φ = 1132819200.

The previous prime is 1322219923. The next prime is 1322220041. The reversal of 1322220011 is 1100222231.

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 1322220011 - 2¹⁴ = 1322203627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322220041) 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, 25640 + ... + 57461.

It is an arithmetic number, because the mean of its divisors is an integer number (188973948).

Almost surely, 2^1322220011 is an apocalyptic number.

1322220011 is a deficient number, since it is larger than the sum of its proper divisors (189571573).

1322220011 is an equidigital number, since it uses as much as digits as its factorization.

1322220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85381.

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

The square root of 1322220011 is about 36362.3433100784. The cubic root of 1322220011 is about 1097.5759322588.

Adding to 1322220011 its reverse (1100222231), we get a palindrome (2422442242).

It can be divided in two parts, 13222 and 20011, that added together give a palindrome (33233).

The spelling of 1322220011 in words is "one billion, three hundred twenty-two million, two hundred twenty thousand, eleven".