22135115522 has 16 divisors (see below), whose sum is σ = 35842080960. Its totient is φ = 10191819792.

The previous prime is 22135115437. The next prime is 22135115543. The reversal of 22135115522 is 22551153122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005038 + ... + 1026825.

It is an arithmetic number, because the mean of its divisors is an integer number (2240130060).

Almost surely, 2^22135115522 is an apocalyptic number.

22135115522 is a deficient number, since it is larger than the sum of its proper divisors (13706965438).

22135115522 is a wasteful number, since it uses less digits than its factorization.

22135115522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032297.

The product of its digits is 6000, while the sum is 29.

Adding to 22135115522 its reverse (22551153122), we get a palindrome (44686268644).

The spelling of 22135115522 in words is "twenty-two billion, one hundred thirty-five million, one hundred fifteen thousand, five hundred twenty-two".