22101471145 has 8 divisors (see below), whose sum is σ = 28561901256. Its totient is φ = 16321086336.

The previous prime is 22101471113. The next prime is 22101471151. The reversal of 22101471145 is 54117410122.

It can be written as a sum of positive squares in 4 ways, for example, as 4449957264 + 17651513881 = 66708^2 + 132859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22101471145 - 2⁵ = 22101471113 is a prime.

It is a super-2 number, since 2×22101471145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170011252 + ... + 170011381.

It is an arithmetic number, because the mean of its divisors is an integer number (3570237657).

Almost surely, 2^22101471145 is an apocalyptic number.

It is an amenable number.

22101471145 is a deficient number, since it is larger than the sum of its proper divisors (6460430111).

22101471145 is a wasteful number, since it uses less digits than its factorization.

22101471145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340022651.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 22101471145 its reverse (54117410122), we get a palindrome (76218881267).

The spelling of 22101471145 in words is "twenty-two billion, one hundred one million, four hundred seventy-one thousand, one hundred forty-five".