22504252224020 has 144 divisors (see below), whose sum is σ = 58968066407040. Its totient is φ = 7057594430208.

The previous prime is 22504252223977. The next prime is 22504252224053. The reversal of 22504252224020 is 2042225240522.

It is a super-4 number, since 4×22504252224020⁴ (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6211514 + ... + 9142833.

It is an arithmetic number, because the mean of its divisors is an integer number (409500461160).

Almost surely, 2^{22504252224020} is an apocalyptic number.

22504252224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22504252224020 is an abundant number, since it is smaller than the sum of its proper divisors (36463814183020).

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

22504252224020 is a wasteful number, since it uses less digits than its factorization.

22504252224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354430 (or 15354409 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 22504252224020 its reverse (2042225240522), we get a palindrome (24546477464542).

The spelling of 22504252224020 in words is "twenty-two trillion, five hundred four billion, two hundred fifty-two million, two hundred twenty-four thousand, twenty".