22064970719428 has 576 divisors, whose sum is σ = 52264771485696. Its totient is φ = 7933086720000.

The previous prime is 22064970719423. The next prime is 22064970719461. The reversal of 22064970719428 is 82491707946022.

It is not an unprimeable number, because it can be changed into a prime (22064970719423) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 115523406813 + ... + 115523407003.

It is an arithmetic number, because the mean of its divisors is an integer number (90737450496).

Almost surely, 2^{22064970719428} is an apocalyptic number.

22064970719428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22064970719428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26132385742848).

22064970719428 is an abundant number, since it is smaller than the sum of its proper divisors (30199800766268).

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

22064970719428 is a wasteful number, since it uses less digits than its factorization.

22064970719428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 22064970719428 in words is "twenty-two trillion, sixty-four billion, nine hundred seventy million, seven hundred nineteen thousand, four hundred twenty-eight".