22145320152 has 24 divisors (see below), whose sum is σ = 59976908940. Its totient is φ = 7381773360.

The previous prime is 22145320139. The next prime is 22145320213. The reversal of 22145320152 is 25102354122.

22145320152 is a `hidden beast` number, since 2 + 2 + 1 + 453 + 201 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 153786874 + ... + 153787017.

Almost surely, 2^22145320152 is an apocalyptic number.

It is an amenable number.

22145320152 is an abundant number, since it is smaller than the sum of its proper divisors (37831588788).

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

22145320152 is a wasteful number, since it uses less digits than its factorization.

22145320152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307573903 (or 307573896 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 22145320152 its reverse (25102354122), we get a palindrome (47247674274).

The spelling of 22145320152 in words is "twenty-two billion, one hundred forty-five million, three hundred twenty thousand, one hundred fifty-two".