22005141 has 4 divisors (see below), whose sum is σ = 29340192. Its totient is φ = 14670092.

The previous prime is 22005131. The next prime is 22005149. The reversal of 22005141 is 14150022.

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 22005141 - 2⁷ = 22005013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22005141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005149) 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, 3667521 + ... + 3667526.

It is an arithmetic number, because the mean of its divisors is an integer number (7335048).

Almost surely, 2^22005141 is an apocalyptic number.

It is an amenable number.

22005141 is a deficient number, since it is larger than the sum of its proper divisors (7335051).

22005141 is an equidigital number, since it uses as much as digits as its factorization.

22005141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335050.

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

The square root of 22005141 is about 4690.9637602523. The cubic root of 22005141 is about 280.2257575538.

Adding to 22005141 its reverse (14150022), we get a palindrome (36155163).

The spelling of 22005141 in words is "twenty-two million, five thousand, one hundred forty-one".