22119993378 has 160 divisors (see below), whose sum is σ = 57959193600. Its totient is φ = 6174825696.

The previous prime is 22119993323. The next prime is 22119993391. The reversal of 22119993378 is 87339991122.

22119993378 is a `hidden beast` number, since 2 + 211 + 9 + 99 + 337 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11975251 + ... + 11977097.

It is an arithmetic number, because the mean of its divisors is an integer number (362244960).

Almost surely, 2^22119993378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22119993378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28979596800).

22119993378 is an abundant number, since it is smaller than the sum of its proper divisors (35839200222).

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

22119993378 is a wasteful number, since it uses less digits than its factorization.

22119993378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2097 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The spelling of 22119993378 in words is "twenty-two billion, one hundred nineteen million, nine hundred ninety-three thousand, three hundred seventy-eight".