22540432087 has 2 divisors, whose sum is σ = 22540432088. Its totient is φ = 22540432086.

The previous prime is 22540432081. The next prime is 22540432177. The reversal of 22540432087 is 78023404522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22540432087 - 2¹¹ = 22540430039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540432081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270216043 + 11270216044.

It is an arithmetic number, because the mean of its divisors is an integer number (11270216044).

Almost surely, 2^22540432087 is an apocalyptic number.

22540432087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540432087 is an equidigital number, since it uses as much as digits as its factorization.

22540432087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 22540432087 in words is "twenty-two billion, five hundred forty million, four hundred thirty-two thousand, eighty-seven".