22045042211 has 4 divisors (see below), whose sum is σ = 22046533800. Its totient is φ = 22043550624.

The previous prime is 22045042199. The next prime is 22045042241. The reversal of 22045042211 is 11224054022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11224054022 = 2 ⋅5612027011.

It is a cyclic number.

It is not a de Polignac number, because 22045042211 - 2¹⁸ = 22044780067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22045042241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723401 + ... + 753258.

It is an arithmetic number, because the mean of its divisors is an integer number (5511633450).

Almost surely, 2^22045042211 is an apocalyptic number.

22045042211 is a deficient number, since it is larger than the sum of its proper divisors (1491589).

22045042211 is a wasteful number, since it uses less digits than its factorization.

22045042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491588.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 22045042211 its reverse (11224054022), we get a palindrome (33269096233).

The spelling of 22045042211 in words is "twenty-two billion, forty-five million, forty-two thousand, two hundred eleven".