22055387017 has 16 divisors (see below), whose sum is σ = 23905252800. Its totient is φ = 20277345600.

The previous prime is 22055387009. The next prime is 22055387083. The reversal of 22055387017 is 71078355022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22055387017 - 2³ = 22055387009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22055387117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233142 + ... + 313792.

It is an arithmetic number, because the mean of its divisors is an integer number (1494078300).

Almost surely, 2^22055387017 is an apocalyptic number.

It is an amenable number.

22055387017 is a deficient number, since it is larger than the sum of its proper divisors (1849865783).

22055387017 is a wasteful number, since it uses less digits than its factorization.

22055387017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81096.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 22055387017 in words is "twenty-two billion, fifty-five million, three hundred eighty-seven thousand, seventeen".