22419969516 has 144 divisors (see below), whose sum is σ = 66311691264. Its totient is φ = 6253797888.

The previous prime is 22419969493. The next prime is 22419969527. The reversal of 22419969516 is 61596991422.

22419969516 is a `hidden beast` number, since 2 + 24 + 19 + 96 + 9 + 516 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5244756 + ... + 5249028.

It is an arithmetic number, because the mean of its divisors is an integer number (460497856).

Almost surely, 2^22419969516 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 22419969516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33155845632).

22419969516 is an abundant number, since it is smaller than the sum of its proper divisors (43891721748).

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

22419969516 is a wasteful number, since it uses less digits than its factorization.

22419969516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4775 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The spelling of 22419969516 in words is "twenty-two billion, four hundred nineteen million, nine hundred sixty-nine thousand, five hundred sixteen".