22243128471 has 8 divisors (see below), whose sum is σ = 32952782960. Its totient is φ = 14828752296.

The previous prime is 22243128461. The next prime is 22243128497. The reversal of 22243128471 is 17482134222.

22243128471 is a `hidden beast` number, since 2 + 22 + 43 + 128 + 471 = 666.

It is not a de Polignac number, because 22243128471 - 2¹⁹ = 22242604183 is a prime.

It is a super-3 number, since 3×22243128471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243128431) by changing a digit.

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, 411909760 + ... + 411909813.

It is an arithmetic number, because the mean of its divisors is an integer number (4119097870).

Almost surely, 2^22243128471 is an apocalyptic number.

22243128471 is a deficient number, since it is larger than the sum of its proper divisors (10709654489).

22243128471 is an equidigital number, since it uses as much as digits as its factorization.

22243128471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823819582 (or 823819576 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The spelling of 22243128471 in words is "twenty-two billion, two hundred forty-three million, one hundred twenty-eight thousand, four hundred seventy-one".