13222011 has 16 divisors (see below), whose sum is σ = 19427328. Its totient is φ = 7932000.

The previous prime is 13221997. The next prime is 13222031. The reversal of 13222011 is 11022231.

13222011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13222011 - 2⁶ = 13221947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13222031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (1214208).

Almost surely, 2^13222011 is an apocalyptic number.

13222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13222011 is a deficient number, since it is larger than the sum of its proper divisors (6205317).

13222011 is a wasteful number, since it uses less digits than its factorization.

13222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13222011 is about 3636.2083273652. The cubic root of 13222011 is about 236.4644389884.

Adding to 13222011 its reverse (11022231), we get a palindrome (24244242).

It can be divided in two parts, 132220 and 11, that added together give a palindrome (132231).

The spelling of 13222011 in words is "thirteen million, two hundred twenty-two thousand, eleven".