22515422214 has 32 divisors (see below), whose sum is σ = 45276641280. Its totient is φ = 7464244832.

The previous prime is 22515422197. The next prime is 22515422219. The reversal of 22515422214 is 41222451522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515422219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371547 + ... + 1387865.

It is an arithmetic number, because the mean of its divisors is an integer number (1414895040).

Almost surely, 2^22515422214 is an apocalyptic number.

22515422214 is an abundant number, since it is smaller than the sum of its proper divisors (22761219066).

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

22515422214 is a wasteful number, since it uses less digits than its factorization.

22515422214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564.

The product of its digits is 12800, while the sum is 30.

Adding to 22515422214 its reverse (41222451522), we get a palindrome (63737873736).

The spelling of 22515422214 in words is "twenty-two billion, five hundred fifteen million, four hundred twenty-two thousand, two hundred fourteen".