22452434211 has 4 divisors (see below), whose sum is σ = 29936578952. Its totient is φ = 14968289472.

The previous prime is 22452434203. The next prime is 22452434231. The reversal of 22452434211 is 11243425422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22452434211 - 2³ = 22452434203 is a prime.

It is a super-2 number, since 2×22452434211² (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 (22452434231) 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, 3742072366 + ... + 3742072371.

It is an arithmetic number, because the mean of its divisors is an integer number (7484144738).

Almost surely, 2^22452434211 is an apocalyptic number.

22452434211 is a deficient number, since it is larger than the sum of its proper divisors (7484144741).

22452434211 is an equidigital number, since it uses as much as digits as its factorization.

22452434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484144740.

The product of its digits is 15360, while the sum is 30.

Adding to 22452434211 its reverse (11243425422), we get a palindrome (33695859633).

The spelling of 22452434211 in words is "twenty-two billion, four hundred fifty-two million, four hundred thirty-four thousand, two hundred eleven".