22545534047 has 2 divisors, whose sum is σ = 22545534048. Its totient is φ = 22545534046.

The previous prime is 22545534029. The next prime is 22545534049. The reversal of 22545534047 is 74043554522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22545534047 - 2¹⁶ = 22545468511 is a prime.

It is a super-2 number, since 2×22545534047² (a number of 22 digits) contains 22 as substring.

Together with 22545534049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22545533995 and 22545534013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22545534049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272767023 + 11272767024.

It is an arithmetic number, because the mean of its divisors is an integer number (11272767024).

Almost surely, 2^22545534047 is an apocalyptic number.

22545534047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22545534047 is an equidigital number, since it uses as much as digits as its factorization.

22545534047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 41.

The spelling of 22545534047 in words is "twenty-two billion, five hundred forty-five million, five hundred thirty-four thousand, forty-seven".