43312221005 has 8 divisors (see below), whose sum is σ = 52246785024. Its totient is φ = 34468363600.

The previous prime is 43312220957. The next prime is 43312221011. The reversal of 43312221005 is 50012221334.

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

It is not a de Polignac number, because 43312221005 - 2¹⁸ = 43311958861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22675601 + ... + 22677510.

It is an arithmetic number, because the mean of its divisors is an integer number (6530848128).

Almost surely, 2^43312221005 is an apocalyptic number.

It is an amenable number.

43312221005 is a deficient number, since it is larger than the sum of its proper divisors (8934564019).

43312221005 is a wasteful number, since it uses less digits than its factorization.

43312221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45353307.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 43312221005 its reverse (50012221334), we get a palindrome (93324442339).

The spelling of 43312221005 in words is "forty-three billion, three hundred twelve million, two hundred twenty-one thousand, five".