22550201 has 4 divisors (see below), whose sum is σ = 22576512. Its totient is φ = 22523892.

The previous prime is 22550173. The next prime is 22550219. The reversal of 22550201 is 10205522.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10205522 = 2 ⋅5102761.

It is a cyclic number.

It is not a de Polignac number, because 22550201 - 2¹⁴ = 22533817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22550201.

It is not an unprimeable number, because it can be changed into a prime (22550251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11825 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (5644128).

Almost surely, 2^22550201 is an apocalyptic number.

It is an amenable number.

22550201 is a deficient number, since it is larger than the sum of its proper divisors (26311).

22550201 is an equidigital number, since it uses as much as digits as its factorization.

22550201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26310.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 22550201 is about 4748.7051919444. The cubic root of 22550201 is about 282.5206124830.

Adding to 22550201 its reverse (10205522), we get a palindrome (32755723).

The spelling of 22550201 in words is "twenty-two million, five hundred fifty thousand, two hundred one".