22055387029 has 8 divisors (see below), whose sum is σ = 24331271832. Its totient is φ = 19862261760.

The previous prime is 22055387009. The next prime is 22055387083. The reversal of 22055387029 is 92078355022.

It can be written as a sum of positive squares in 4 ways, for example, as 4263828804 + 17791558225 = 65298^2 + 133385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22055387029 - 2⁹ = 22055386517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055387009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20689324 + ... + 20690389.

It is an arithmetic number, because the mean of its divisors is an integer number (3041408979).

Almost surely, 2^22055387029 is an apocalyptic number.

It is an amenable number.

22055387029 is a deficient number, since it is larger than the sum of its proper divisors (2275884803).

22055387029 is a wasteful number, since it uses less digits than its factorization.

22055387029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41379767.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 22055387029 in words is "twenty-two billion, fifty-five million, three hundred eighty-seven thousand, twenty-nine".