43226401 has 4 divisors (see below), whose sum is σ = 43672132. Its totient is φ = 42780672.

The previous prime is 43226399. The next prime is 43226419. The reversal of 43226401 is 10462234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 19713600 = 4849^2 + 4440^2 .

It is a cyclic number.

It is not a de Polignac number, because 43226401 - 2¹ = 43226399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43286401) 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, 222720 + ... + 222913.

It is an arithmetic number, because the mean of its divisors is an integer number (10918033).

Almost surely, 2^43226401 is an apocalyptic number.

It is an amenable number.

43226401 is a deficient number, since it is larger than the sum of its proper divisors (445731).

43226401 is an equidigital number, since it uses as much as digits as its factorization.

43226401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445730.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 43226401 is about 6574.6787754232. The cubic root of 43226401 is about 350.9535927260.

Adding to 43226401 its reverse (10462234), we get a palindrome (53688635).

The spelling of 43226401 in words is "forty-three million, two hundred twenty-six thousand, four hundred one".