22261419552 has 96 divisors (see below), whose sum is σ = 59608156608. Its totient is φ = 7271986176.

The previous prime is 22261419547. The next prime is 22261419589. The reversal of 22261419552 is 25591416222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 22261419552.

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, 5559183 + ... + 5563185.

It is an arithmetic number, because the mean of its divisors is an integer number (620918298).

Almost surely, 2^22261419552 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 22261419552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29804078304).

22261419552 is an abundant number, since it is smaller than the sum of its proper divisors (37346737056).

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

22261419552 is a wasteful number, since it uses less digits than its factorization.

22261419552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162 (or 5154 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The spelling of 22261419552 in words is "twenty-two billion, two hundred sixty-one million, four hundred nineteen thousand, five hundred fifty-two".