42322201 has 4 divisors (see below), whose sum is σ = 42567012. Its totient is φ = 42077392.

The previous prime is 42322199. The next prime is 42322207. The reversal of 42322201 is 10222324.

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 20466576 + 21855625 = 4524^2 + 4675^2 .

It is a cyclic number.

It is not a de Polignac number, because 42322201 - 2¹ = 42322199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42322207) 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, 122146 + ... + 122491.

It is an arithmetic number, because the mean of its divisors is an integer number (10641753).

Almost surely, 2^42322201 is an apocalyptic number.

It is an amenable number.

42322201 is a deficient number, since it is larger than the sum of its proper divisors (244811).

42322201 is a wasteful number, since it uses less digits than its factorization.

42322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244810.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42322201 is about 6505.5515523282. The cubic root of 42322201 is about 348.4892735752.

Adding to 42322201 its reverse (10222324), we get a palindrome (52544525).

The spelling of 42322201 in words is "forty-two million, three hundred twenty-two thousand, two hundred one".