43222601 has 4 divisors (see below), whose sum is σ = 43440000. Its totient is φ = 43005204.

The previous prime is 43222591. The next prime is 43222607. The reversal of 43222601 is 10622234.

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 43222601 - 2⁶ = 43222537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43222607) 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, 108401 + ... + 108798.

It is an arithmetic number, because the mean of its divisors is an integer number (10860000).

Almost surely, 2^43222601 is an apocalyptic number.

It is an amenable number.

43222601 is a deficient number, since it is larger than the sum of its proper divisors (217399).

43222601 is a wasteful number, since it uses less digits than its factorization.

43222601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217398.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43222601 is about 6574.3897815691. The cubic root of 43222601 is about 350.9433084036.

Adding to 43222601 its reverse (10622234), we get a palindrome (53844835).

The spelling of 43222601 in words is "forty-three million, two hundred twenty-two thousand, six hundred one".