22019770368 has 108 divisors (see below), whose sum is σ = 63655378605. Its totient is φ = 7333208064.

The previous prime is 22019770361. The next prime is 22019770379. The reversal of 22019770368 is 86307791022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 13649716224 + 8370054144 = 116832^2 + 91488^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=104928.

It is not an unprimeable number, because it can be changed into a prime (22019770361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20145630 + ... + 20146722.

Almost surely, 2^22019770368 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 22019770368

22019770368 is an abundant number, since it is smaller than the sum of its proper divisors (41635608237).

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

22019770368 is an frugal number, since it uses more digits than its factorization.

22019770368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 22019770368 in words is "twenty-two billion, nineteen million, seven hundred seventy thousand, three hundred sixty-eight".