22505835902 has 8 divisors (see below), whose sum is σ = 36827731512. Its totient is φ = 10229925400.

The previous prime is 22505835839. The next prime is 22505835949. The reversal of 22505835902 is 20953850522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22505835902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511496249 + ... + 511496292.

It is an arithmetic number, because the mean of its divisors is an integer number (4603466439).

Almost surely, 2^22505835902 is an apocalyptic number.

22505835902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22505835902 is a deficient number, since it is larger than the sum of its proper divisors (14321895610).

22505835902 is a wasteful number, since it uses less digits than its factorization.

22505835902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022992554.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 22505835902 in words is "twenty-two billion, five hundred five million, eight hundred thirty-five thousand, nine hundred two".