43442201 has 4 divisors (see below), whose sum is σ = 47391504. Its totient is φ = 39492900.

The previous prime is 43442171. The next prime is 43442213. The reversal of 43442201 is 10224434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43442201 - 2⁶ = 43442137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43442801) 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 3 ways as a sum of consecutive naturals, for example, 1974635 + ... + 1974656.

It is an arithmetic number, because the mean of its divisors is an integer number (11847876).

Almost surely, 2^43442201 is an apocalyptic number.

It is an amenable number.

43442201 is a deficient number, since it is larger than the sum of its proper divisors (3949303).

43442201 is a wasteful number, since it uses less digits than its factorization.

43442201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949302.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 43442201 is about 6591.0697917713. The cubic root of 43442201 is about 351.5366476766.

Adding to 43442201 its reverse (10224434), we get a palindrome (53666635).

It can be divided in two parts, 43 and 442201, that added together give a palindrome (442244).

The spelling of 43442201 in words is "forty-three million, four hundred forty-two thousand, two hundred one".