22005520030252 has 24 divisors (see below), whose sum is σ = 42014761664400. Its totient is φ = 10001503527360.

The previous prime is 22005520030213. The next prime is 22005520030271. The reversal of 22005520030252 is 25203002550022.

It is a self number, because there is not a number n which added to its sum of digits gives 22005520030252.

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 7 ways as a sum of consecutive naturals, for example, 24696703 + ... + 25572214.

It is an arithmetic number, because the mean of its divisors is an integer number (1750615069350).

Almost surely, 2^{22005520030252} is an apocalyptic number.

22005520030252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22005520030252 is a deficient number, since it is larger than the sum of its proper divisors (20009241634148).

22005520030252 is a wasteful number, since it uses less digits than its factorization.

22005520030252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50278881 (or 50278879 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 22005520030252 its reverse (25203002550022), we get a palindrome (47208522580274).

The spelling of 22005520030252 in words is "twenty-two trillion, five billion, five hundred twenty million, thirty thousand, two hundred fifty-two".