22143354522 has 32 divisors (see below), whose sum is σ = 46911275712. Its totient is φ = 6944050944.

The previous prime is 22143354511. The next prime is 22143354523. The reversal of 22143354522 is 22545334122.

It is not an unprimeable number, because it can be changed into a prime (22143354523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208833 + ... + 296475.

It is an arithmetic number, because the mean of its divisors is an integer number (1465977366).

Almost surely, 2^22143354522 is an apocalyptic number.

22143354522 is an abundant number, since it is smaller than the sum of its proper divisors (24767921190).

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

22143354522 is a wasteful number, since it uses less digits than its factorization.

22143354522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90142.

The product of its digits is 57600, while the sum is 33.

Adding to 22143354522 its reverse (22545334122), we get a palindrome (44688688644).

The spelling of 22143354522 in words is "twenty-two billion, one hundred forty-three million, three hundred fifty-four thousand, five hundred twenty-two".