22354201 has 4 divisors (see below), whose sum is σ = 23669172. Its totient is φ = 21039232.

The previous prime is 22354151. The next prime is 22354207. The reversal of 22354201 is 10245322.

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 18147600 + 4206601 = 4260^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 22354201 - 2⁹ = 22353689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22354207) 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, 657460 + ... + 657493.

It is an arithmetic number, because the mean of its divisors is an integer number (5917293).

Almost surely, 2^22354201 is an apocalyptic number.

It is an amenable number.

22354201 is a deficient number, since it is larger than the sum of its proper divisors (1314971).

22354201 is a wasteful number, since it uses less digits than its factorization.

22354201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314970.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22354201 is about 4728.0229483369. The cubic root of 22354201 is about 281.6996996065.

Adding to 22354201 its reverse (10245322), we get a palindrome (32599523).

The spelling of 22354201 in words is "twenty-two million, three hundred fifty-four thousand, two hundred one".