13778954474022 has 512 divisors, whose sum is σ = 34476022586880. Its totient is φ = 4111699968000.

The previous prime is 13778954473979. The next prime is 13778954474023. The reversal of 13778954474022 is 22047445987731.

It is a happy number.

13778954474022 is a `hidden beast` number, since 1 + 3 + 7 + 7 + 89 + 544 + 7 + 4 + 0 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13778954474023) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 22477902588 + ... + 22477903200.

It is an arithmetic number, because the mean of its divisors is an integer number (67335981615).

Almost surely, 2^{13778954474022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13778954474022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17238011293440).

13778954474022 is an abundant number, since it is smaller than the sum of its proper divisors (20697068112858).

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

13778954474022 is a wasteful number, since it uses less digits than its factorization.

13778954474022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 13778954474022 in words is "thirteen trillion, seven hundred seventy-eight billion, nine hundred fifty-four million, four hundred seventy-four thousand, twenty-two".