22154323153 has 2 divisors, whose sum is σ = 22154323154. Its totient is φ = 22154323152.

The previous prime is 22154323151. The next prime is 22154323181. The reversal of 22154323153 is 35132345122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13043238849 + 9111084304 = 114207^2 + 95452^2 .

It is a cyclic number.

It is not a de Polignac number, because 22154323153 - 2¹ = 22154323151 is a prime.

It is a super-2 number, since 2×22154323153² (a number of 21 digits) contains 22 as substring.

Together with 22154323151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22154323151) 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 as a sum of consecutive naturals, namely, 11077161576 + 11077161577.

It is an arithmetic number, because the mean of its divisors is an integer number (11077161577).

Almost surely, 2^22154323153 is an apocalyptic number.

It is an amenable number.

22154323153 is a deficient number, since it is larger than the sum of its proper divisors (1).

22154323153 is an equidigital number, since it uses as much as digits as its factorization.

22154323153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

Adding to 22154323153 its reverse (35132345122), we get a palindrome (57286668275).

The spelling of 22154323153 in words is "twenty-two billion, one hundred fifty-four million, three hundred twenty-three thousand, one hundred fifty-three".