22542330651220 has 48 divisors (see below), whose sum is σ = 47379491248320. Its totient is φ = 9009202866176.

The previous prime is 22542330651167. The next prime is 22542330651257. The reversal of 22542330651220 is 2215603324522.

It is a self number, because there is not a number n which added to its sum of digits gives 22542330651220.

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 15 ways as a sum of consecutive naturals, for example, 110208564 + ... + 110412916.

It is an arithmetic number, because the mean of its divisors is an integer number (987072734340).

Almost surely, 2^{22542330651220} is an apocalyptic number.

22542330651220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22542330651220 is an abundant number, since it is smaller than the sum of its proper divisors (24837160597100).

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

22542330651220 is a wasteful number, since it uses less digits than its factorization.

22542330651220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209064 (or 209062 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 22542330651220 its reverse (2215603324522), we get a palindrome (24757933975742).

The spelling of 22542330651220 in words is "twenty-two trillion, five hundred forty-two billion, three hundred thirty million, six hundred fifty-one thousand, two hundred twenty".