1322222011 has 4 divisors (see below), whose sum is σ = 1442424024. Its totient is φ = 1202020000.

The previous prime is 1322221991. The next prime is 1322222017. The reversal of 1322222011 is 1102222231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1322222011 - 2⁷ = 1322221883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322222017) 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, 60100990 + ... + 60101011.

It is an arithmetic number, because the mean of its divisors is an integer number (360606006).

Almost surely, 2^1322222011 is an apocalyptic number.

1322222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322222011 is a deficient number, since it is larger than the sum of its proper divisors (120202013).

1322222011 is a wasteful number, since it uses less digits than its factorization.

1322222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120202012.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1322222011 is about 36362.3708110459. The cubic root of 1322222011 is about 1097.5764856591.

Adding to 1322222011 its reverse (1102222231), we get a palindrome (2424444242).

It can be divided in two parts, 13222220 and 11, that added together give a palindrome (13222231).

The spelling of 1322222011 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, eleven".