22532152220 has 48 divisors (see below), whose sum is σ = 49979854848. Its totient is φ = 8519273280.

The previous prime is 22532152169. The next prime is 22532152241. The reversal of 22532152220 is 2225123522.

It is a self number, because there is not a number n which added to its sum of digits gives 22532152220.

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 15 ways as a sum of consecutive naturals, for example, 395924 + ... + 449243.

It is an arithmetic number, because the mean of its divisors is an integer number (1041246976).

Almost surely, 2^22532152220 is an apocalyptic number.

22532152220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22532152220 is an abundant number, since it is smaller than the sum of its proper divisors (27447702628).

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

22532152220 is a wasteful number, since it uses less digits than its factorization.

22532152220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845250 (or 845248 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22532152220 its reverse (2225123522), we get a palindrome (24757275742).

The spelling of 22532152220 in words is "twenty-two billion, five hundred thirty-two million, one hundred fifty-two thousand, two hundred twenty".