22415201 has 4 divisors (see below), whose sum is σ = 23138304. Its totient is φ = 21692100.

The previous prime is 22415191. The next prime is 22415209. The reversal of 22415201 is 10251422.

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 22415201 - 2²² = 18220897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22415201.

It is not an unprimeable number, because it can be changed into a prime (22415209) 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, 361505 + ... + 361566.

It is an arithmetic number, because the mean of its divisors is an integer number (5784576).

Almost surely, 2^22415201 is an apocalyptic number.

It is an amenable number.

22415201 is a deficient number, since it is larger than the sum of its proper divisors (723103).

22415201 is an equidigital number, since it uses as much as digits as its factorization.

22415201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723102.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 22415201 is about 4734.4694528532. The cubic root of 22415201 is about 281.9557003330.

Adding to 22415201 its reverse (10251422), we get a palindrome (32666623).

The spelling of 22415201 in words is "twenty-two million, four hundred fifteen thousand, two hundred one".