22152240520 has 32 divisors (see below), whose sum is σ = 49856990400. Its totient is φ = 8858327488.

The previous prime is 22152240503. The next prime is 22152240521. The reversal of 22152240520 is 2504225122.

It is not an unprimeable number, because it can be changed into a prime (22152240521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62571 + ... + 219589.

It is an arithmetic number, because the mean of its divisors is an integer number (1558030950).

Almost surely, 2^22152240520 is an apocalyptic number.

22152240520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22152240520 is an abundant number, since it is smaller than the sum of its proper divisors (27704749880).

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

22152240520 is a wasteful number, since it uses less digits than its factorization.

22152240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160557 (or 160553 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22152240520 its reverse (2504225122), we get a palindrome (24656465642).

The spelling of 22152240520 in words is "twenty-two billion, one hundred fifty-two million, two hundred forty thousand, five hundred twenty".