22706484187 has 2 divisors, whose sum is σ = 22706484188. Its totient is φ = 22706484186.

The previous prime is 22706484127. The next prime is 22706484233. The reversal of 22706484187 is 78148460722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22706484187 - 2²⁷ = 22572266459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22706484187.

It is not a weakly prime, because it can be changed into another prime (22706484127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11353242093 + 11353242094.

It is an arithmetic number, because the mean of its divisors is an integer number (11353242094).

Almost surely, 2^22706484187 is an apocalyptic number.

22706484187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22706484187 is an equidigital number, since it uses as much as digits as its factorization.

22706484187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 22706484187 in words is "twenty-two billion, seven hundred six million, four hundred eighty-four thousand, one hundred eighty-seven".