22035538550 has 24 divisors (see below), whose sum is σ = 43397050536. Its totient is φ = 8295731840.

The previous prime is 22035538543. The next prime is 22035538561. The reversal of 22035538550 is 5583553022.

It is a happy number.

It is a super-2 number, since 2×22035538550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12961232 + ... + 12962931.

It is an arithmetic number, because the mean of its divisors is an integer number (1808210439).

Almost surely, 2^22035538550 is an apocalyptic number.

22035538550 is a deficient number, since it is larger than the sum of its proper divisors (21361511986).

22035538550 is a wasteful number, since it uses less digits than its factorization.

22035538550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25924192 (or 25924187 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 22035538550 in words is "twenty-two billion, thirty-five million, five hundred thirty-eight thousand, five hundred fifty".