22279480434 has 80 divisors (see below), whose sum is σ = 51726280320. Its totient is φ = 7158987360.

The previous prime is 22279480417. The next prime is 22279480439. The reversal of 22279480434 is 43408497222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22279480434.

It is not an unprimeable number, because it can be changed into a prime (22279480439) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3242887 + ... + 3249749.

It is an arithmetic number, because the mean of its divisors is an integer number (646578504).

Almost surely, 2^22279480434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22279480434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25863140160).

22279480434 is an abundant number, since it is smaller than the sum of its proper divisors (29446799886).

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

22279480434 is a wasteful number, since it uses less digits than its factorization.

22279480434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597 (or 7588 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 22279480434 in words is "twenty-two billion, two hundred seventy-nine million, four hundred eighty thousand, four hundred thirty-four".