22543020067 has 2 divisors, whose sum is σ = 22543020068. Its totient is φ = 22543020066.

The previous prime is 22543020029. The next prime is 22543020161. The reversal of 22543020067 is 76002034522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22543020067 - 2¹⁹ = 22542495779 is a prime.

It is not a weakly prime, because it can be changed into another prime (22543024067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11271510033 + 11271510034.

It is an arithmetic number, because the mean of its divisors is an integer number (11271510034).

Almost surely, 2^22543020067 is an apocalyptic number.

22543020067 is a deficient number, since it is larger than the sum of its proper divisors (1).

22543020067 is an equidigital number, since it uses as much as digits as its factorization.

22543020067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 22543020067 its reverse (76002034522), we get a palindrome (98545054589).

The spelling of 22543020067 in words is "twenty-two billion, five hundred forty-three million, twenty thousand, sixty-seven".