22725201 has 8 divisors (see below), whose sum is σ = 31277824. Its totient is φ = 14661360.

The previous prime is 22725187. The next prime is 22725211. The reversal of 22725201 is 10252722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22725201 - 2⁵ = 22725169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22725211) 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 7 ways as a sum of consecutive naturals, for example, 122086 + ... + 122271.

It is an arithmetic number, because the mean of its divisors is an integer number (3909728).

Almost surely, 2^22725201 is an apocalyptic number.

It is an amenable number.

22725201 is a deficient number, since it is larger than the sum of its proper divisors (8552623).

22725201 is a wasteful number, since it uses less digits than its factorization.

22725201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244391.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22725201 is about 4767.0956566866. The cubic root of 22725201 is about 283.2495603160.

Adding to 22725201 its reverse (10252722), we get a palindrome (32977923).

The spelling of 22725201 in words is "twenty-two million, seven hundred twenty-five thousand, two hundred one".