22142260616 has 64 divisors (see below), whose sum is σ = 48957350400. Its totient is φ = 9191780352.

The previous prime is 22142260607. The next prime is 22142260633. The reversal of 22142260616 is 61606224122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211940 + ... + 298668.

It is an arithmetic number, because the mean of its divisors is an integer number (764958600).

Almost surely, 2^22142260616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22142260616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24478675200).

22142260616 is an abundant number, since it is smaller than the sum of its proper divisors (26815089784).

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

22142260616 is a wasteful number, since it uses less digits than its factorization.

22142260616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86886 (or 86882 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 22142260616 its reverse (61606224122), we get a palindrome (83748484738).

The spelling of 22142260616 in words is "twenty-two billion, one hundred forty-two million, two hundred sixty thousand, six hundred sixteen".