22005101 has 4 divisors (see below), whose sum is σ = 22315104. Its totient is φ = 21695100.

The previous prime is 22005083. The next prime is 22005103. The reversal of 22005101 is 10150022.

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: 10150022 = 2 ⋅5075011.

It is a cyclic number.

It is not a de Polignac number, because 22005101 - 2⁶ = 22005037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005103) 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, 154895 + ... + 155036.

It is an arithmetic number, because the mean of its divisors is an integer number (5578776).

Almost surely, 2^22005101 is an apocalyptic number.

It is an amenable number.

22005101 is a deficient number, since it is larger than the sum of its proper divisors (310003).

22005101 is an equidigital number, since it uses as much as digits as its factorization.

22005101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310002.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 22005101 is about 4690.9594967341. The cubic root of 22005101 is about 280.2255877596.

Adding to 22005101 its reverse (10150022), we get a palindrome (32155123).

The spelling of 22005101 in words is "twenty-two million, five thousand, one hundred one".