22540210547 has 2 divisors, whose sum is σ = 22540210548. Its totient is φ = 22540210546.

The previous prime is 22540210507. The next prime is 22540210579. The reversal of 22540210547 is 74501204522.

It is an a-pointer prime, because the next prime (22540210579) can be obtained adding 22540210547 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22540210547 is a prime.

It is a super-2 number, since 2×22540210547² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22540210507) 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 as a sum of consecutive naturals, namely, 11270105273 + 11270105274.

It is an arithmetic number, because the mean of its divisors is an integer number (11270105274).

Almost surely, 2^22540210547 is an apocalyptic number.

22540210547 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540210547 is an equidigital number, since it uses as much as digits as its factorization.

22540210547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 22540210547 in words is "twenty-two billion, five hundred forty million, two hundred ten thousand, five hundred forty-seven".