22505317350 has 48 divisors (see below), whose sum is σ = 55973240400. Its totient is φ = 5984208000.

The previous prime is 22505317301. The next prime is 22505317379. The reversal of 22505317350 is 5371350522.

It is a super-2 number, since 2×22505317350² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162601 + ... + 267300.

It is an arithmetic number, because the mean of its divisors is an integer number (1166109175).

Almost surely, 2^22505317350 is an apocalyptic number.

22505317350 is an abundant number, since it is smaller than the sum of its proper divisors (33467923050).

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

22505317350 is a wasteful number, since it uses less digits than its factorization.

22505317350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430265 (or 430260 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

Adding to 22505317350 its reverse (5371350522), we get a palindrome (27876667872).

The spelling of 22505317350 in words is "twenty-two billion, five hundred five million, three hundred seventeen thousand, three hundred fifty".