22138225175 has 48 divisors (see below), whose sum is σ = 31281569280. Its totient is φ = 15393840000.

The previous prime is 22138225171. The next prime is 22138225177. The reversal of 22138225175 is 57152283122.

It is a happy number.

It is not a de Polignac number, because 22138225175 - 2² = 22138225171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22138225171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 807950 + ... + 834900.

It is an arithmetic number, because the mean of its divisors is an integer number (651699360).

Almost surely, 2^22138225175 is an apocalyptic number.

22138225175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22138225175 is a deficient number, since it is larger than the sum of its proper divisors (9143344105).

22138225175 is a wasteful number, since it uses less digits than its factorization.

22138225175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27104 (or 27099 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The spelling of 22138225175 in words is "twenty-two billion, one hundred thirty-eight million, two hundred twenty-five thousand, one hundred seventy-five".