22638201 has 4 divisors (see below), whose sum is σ = 30184272. Its totient is φ = 15092132.

The previous prime is 22638199. The next prime is 22638211. The reversal of 22638201 is 10283622.

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 22638201 - 2¹ = 22638199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22638211) 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, 3773031 + ... + 3773036.

It is an arithmetic number, because the mean of its divisors is an integer number (7546068).

Almost surely, 2^22638201 is an apocalyptic number.

It is an amenable number.

22638201 is a deficient number, since it is larger than the sum of its proper divisors (7546071).

22638201 is an equidigital number, since it uses as much as digits as its factorization.

22638201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546070.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22638201 is about 4757.9618535671. The cubic root of 22638201 is about 282.8876386800.

The spelling of 22638201 in words is "twenty-two million, six hundred thirty-eight thousand, two hundred one".