43224088221 has 12 divisors (see below), whose sum is σ = 62554637340. Its totient is φ = 28760746560.

The previous prime is 43224088217. The next prime is 43224088261. The reversal of 43224088221 is 12288042234.

43224088221 is a `hidden beast` number, since 4 + 3 + 22 + 408 + 8 + 221 = 666.

43224088221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11607692121 + 31616396100 = 107739^2 + 177810^2 .

It is not a de Polignac number, because 43224088221 - 2² = 43224088217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43224088261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4604406 + ... + 4613783.

It is an arithmetic number, because the mean of its divisors is an integer number (5212886445).

Almost surely, 2^43224088221 is an apocalyptic number.

It is an amenable number.

43224088221 is a deficient number, since it is larger than the sum of its proper divisors (19330549119).

43224088221 is a wasteful number, since it uses less digits than its factorization.

43224088221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218716 (or 9218713 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 43224088221 in words is "forty-three billion, two hundred twenty-four million, eighty-eight thousand, two hundred twenty-one".