22552181505 has 24 divisors (see below), whose sum is σ = 44674798272. Its totient is φ = 10309568544.

The previous prime is 22552181479. The next prime is 22552181507. The reversal of 22552181505 is 50518125522.

22552181505 is a `hidden beast` number, since 2 + 2 + 5 + 521 + 81 + 50 + 5 = 666.

It is not a de Polignac number, because 22552181505 - 2¹⁸ = 22551919361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22552181505.

It is not an unprimeable number, because it can be changed into a prime (22552181507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35796799 + ... + 35797428.

It is an arithmetic number, because the mean of its divisors is an integer number (1861449928).

Almost surely, 2^22552181505 is an apocalyptic number.

It is an amenable number.

22552181505 is a deficient number, since it is larger than the sum of its proper divisors (22122616767).

22552181505 is a wasteful number, since it uses less digits than its factorization.

22552181505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71594245 (or 71594242 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 22552181505 in words is "twenty-two billion, five hundred fifty-two million, one hundred eighty-one thousand, five hundred five".