22442400211 has 8 divisors (see below), whose sum is σ = 27980135424. Its totient is φ = 17487584520.

The previous prime is 22442400191. The next prime is 22442400223. The reversal of 22442400211 is 11200424422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22442400211 is a prime.

It is a super-2 number, since 2×22442400211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22442400271) 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, 145729795 + ... + 145729948.

It is an arithmetic number, because the mean of its divisors is an integer number (3497516928).

Almost surely, 2^22442400211 is an apocalyptic number.

22442400211 is a deficient number, since it is larger than the sum of its proper divisors (5537735213).

22442400211 is a wasteful number, since it uses less digits than its factorization.

22442400211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291459761.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22442400211 its reverse (11200424422), we get a palindrome (33642824633).

The spelling of 22442400211 in words is "twenty-two billion, four hundred forty-two million, four hundred thousand, two hundred eleven".