22152165022050 has 144 divisors (see below), whose sum is σ = 63916745753952. Its totient is φ = 5062558905600.

The previous prime is 22152165022027. The next prime is 22152165022079. The reversal of 22152165022050 is 5022056125122.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47343745 + ... + 47809355.

It is an arithmetic number, because the mean of its divisors is an integer number (443866289958).

Almost surely, 2^{22152165022050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22152165022050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31958372876976).

22152165022050 is an abundant number, since it is smaller than the sum of its proper divisors (41764580731902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22152165022050 is a wasteful number, since it uses less digits than its factorization.

22152165022050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472113 (or 472101 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 22152165022050 in words is "twenty-two trillion, one hundred fifty-two billion, one hundred sixty-five million, twenty-two thousand, fifty".