43220671 has 8 divisors (see below), whose sum is σ = 46635120. Its totient is φ = 39819072.

The previous prime is 43220669. The next prime is 43220677. The reversal of 43220671 is 17602234.

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 43220671 - 2¹ = 43220669 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 (43220677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4476 + ... + 10318.

It is an arithmetic number, because the mean of its divisors is an integer number (5829390).

Almost surely, 2^43220671 is an apocalyptic number.

43220671 is a deficient number, since it is larger than the sum of its proper divisors (3414449).

43220671 is a wasteful number, since it uses less digits than its factorization.

43220671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 43220671 is about 6574.2429982470. The cubic root of 43220671 is about 350.9380848196.

The spelling of 43220671 in words is "forty-three million, two hundred twenty thousand, six hundred seventy-one".