22522115253450 has 48 divisors (see below), whose sum is σ = 56262545484480. Its totient is φ = 5962058728320.

The previous prime is 22522115253409. The next prime is 22522115253479. The reversal of 22522115253450 is 5435251122522.

It is a junction number, because it is equal to n+sod(n) for n = 22522115253399 and 22522115253408.

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, 547962790 + ... + 548003889.

It is an arithmetic number, because the mean of its divisors is an integer number (1172136364260).

Almost surely, 2^{22522115253450} is an apocalyptic number.

22522115253450 is an abundant number, since it is smaller than the sum of its proper divisors (33740430231030).

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

22522115253450 is a wasteful number, since it uses less digits than its factorization.

22522115253450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095966831 (or 1095966826 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 22522115253450 its reverse (5435251122522), we get a palindrome (27957366375972).

The spelling of 22522115253450 in words is "twenty-two trillion, five hundred twenty-two billion, one hundred fifteen million, two hundred fifty-three thousand, four hundred fifty".