22040211 has 8 divisors (see below), whose sum is σ = 31115664. Its totient is φ = 13829120.

The previous prime is 22040191. The next prime is 22040219. The reversal of 22040211 is 11204022.

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 22040211 - 2⁶ = 22040147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22040219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216030 + ... + 216131.

It is an arithmetic number, because the mean of its divisors is an integer number (3889458).

Almost surely, 2^22040211 is an apocalyptic number.

22040211 is a deficient number, since it is larger than the sum of its proper divisors (9075453).

22040211 is a wasteful number, since it uses less digits than its factorization.

22040211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432181.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22040211 is about 4694.7003099239. The cubic root of 22040211 is about 280.3745455298.

Adding to 22040211 its reverse (11204022), we get a palindrome (33244233).

It can be divided in two parts, 2204021 and 1, that added together give a palindrome (2204022).

The spelling of 22040211 in words is "twenty-two million, forty thousand, two hundred eleven".