43221101 has 8 divisors (see below), whose sum is σ = 53886144. Its totient is φ = 33678720.

The previous prime is 43221091. The next prime is 43221121. The reversal of 43221101 is 10112234.

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 43221101 - 2¹⁰ = 43220077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280580 + ... + 280733.

It is an arithmetic number, because the mean of its divisors is an integer number (6735768).

Almost surely, 2^43221101 is an apocalyptic number.

It is an amenable number.

43221101 is a deficient number, since it is larger than the sum of its proper divisors (10665043).

43221101 is a wasteful number, since it uses less digits than its factorization.

43221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561331.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 43221101 is about 6574.2757015507. The cubic root of 43221101 is about 350.9392486367.

Adding to 43221101 its reverse (10112234), we get a palindrome (53333335).

The spelling of 43221101 in words is "forty-three million, two hundred twenty-one thousand, one hundred one".