22100541 has 4 divisors (see below), whose sum is σ = 29467392. Its totient is φ = 14733692.

The previous prime is 22100537. The next prime is 22100557. The reversal of 22100541 is 14500122.

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 22100541 - 2² = 22100537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22100541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683421 + ... + 3683426.

It is an arithmetic number, because the mean of its divisors is an integer number (7366848).

Almost surely, 2^22100541 is an apocalyptic number.

It is an amenable number.

22100541 is a deficient number, since it is larger than the sum of its proper divisors (7366851).

22100541 is an equidigital number, since it uses as much as digits as its factorization.

22100541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366850.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22100541 is about 4701.1212492341. The cubic root of 22100541 is about 280.6301327097.

Adding to 22100541 its reverse (14500122), we get a palindrome (36600663).

The spelling of 22100541 in words is "twenty-two million, one hundred thousand, five hundred forty-one".