22907201 has 4 divisors (see below), whose sum is σ = 22917972. Its totient is φ = 22896432.

The previous prime is 22907191. The next prime is 22907207. The reversal of 22907201 is 10270922.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12673600 + 10233601 = 3560^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 22907201 - 2¹⁴ = 22890817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22907207) 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, 1010 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (5729493).

Almost surely, 2^22907201 is an apocalyptic number.

It is an amenable number.

22907201 is a deficient number, since it is larger than the sum of its proper divisors (10771).

22907201 is an equidigital number, since it uses as much as digits as its factorization.

22907201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10770.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22907201 is about 4786.1467800309. The cubic root of 22907201 is about 284.0037070534.

The spelling of 22907201 in words is "twenty-two million, nine hundred seven thousand, two hundred one".