22013211 has 16 divisors (see below), whose sum is σ = 32110848. Its totient is φ = 13303200.

The previous prime is 22013209. The next prime is 22013221. The reversal of 22013211 is 11231022.

It is not a de Polignac number, because 22013211 - 2¹ = 22013209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22013221) 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, 14490 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (2006928).

Almost surely, 2^22013211 is an apocalyptic number.

22013211 is a deficient number, since it is larger than the sum of its proper divisors (10097637).

22013211 is a wasteful number, since it uses less digits than its factorization.

22013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922.

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

The square root of 22013211 is about 4691.8238457981. The cubic root of 22013211 is about 280.2600093297.

Adding to 22013211 its reverse (11231022), we get a palindrome (33244233).

It can be divided in two parts, 220 and 13211, that added together give a palindrome (13431).

The spelling of 22013211 in words is "twenty-two million, thirteen thousand, two hundred eleven".