22147396160544 has 192 divisors, whose sum is σ = 65251255466880. Its totient is φ = 7307810979840.

The previous prime is 22147396160543. The next prime is 22147396160563. The reversal of 22147396160544 is 44506169374122.

22147396160544 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 7 + 3 + 96 + 1 + 6 + 0 + 544 = 666.

It is a super-2 number, since 2×22147396160544² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22147396160543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76692264 + ... + 76980504.

It is an arithmetic number, because the mean of its divisors is an integer number (339850288890).

Almost surely, 2^{22147396160544} is an apocalyptic number.

22147396160544 is a gapful number since it is divisible by the number (24) 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 22147396160544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32625627733440).

22147396160544 is an abundant number, since it is smaller than the sum of its proper divisors (43103859306336).

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

22147396160544 is a wasteful number, since it uses less digits than its factorization.

22147396160544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289160 (or 289146 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 22147396160544 in words is "twenty-two trillion, one hundred forty-seven billion, three hundred ninety-six million, one hundred sixty thousand, five hundred forty-four".