22185500029 has 16 divisors (see below), whose sum is σ = 27664243200. Its totient is φ = 17284653360.

The previous prime is 22185500003. The next prime is 22185500041. The reversal of 22185500029 is 92000558122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22185500029 - 2⁵ = 22185499997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22185499967 and 22185500003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22185200029) 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, 560122 + ... + 598420.

It is an arithmetic number, because the mean of its divisors is an integer number (1729015200).

Almost surely, 2^22185500029 is an apocalyptic number.

It is an amenable number.

22185500029 is a deficient number, since it is larger than the sum of its proper divisors (5478743171).

22185500029 is a wasteful number, since it uses less digits than its factorization.

22185500029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45840.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 22185500029 in words is "twenty-two billion, one hundred eighty-five million, five hundred thousand, twenty-nine".