22019141 has 2 divisors, whose sum is σ = 22019142. Its totient is φ = 22019140.

The previous prime is 22019099. The next prime is 22019143. The reversal of 22019141 is 14191022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 10144225 = 3446^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 22019141 - 2¹⁸ = 21756997 is a prime.

Together with 22019143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22019143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11009570 + 11009571.

It is an arithmetic number, because the mean of its divisors is an integer number (11009571).

Almost surely, 2^22019141 is an apocalyptic number.

It is an amenable number.

22019141 is a deficient number, since it is larger than the sum of its proper divisors (1).

22019141 is an equidigital number, since it uses as much as digits as its factorization.

22019141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 22019141 is about 4692.4557536539. The cubic root of 22019141 is about 280.2851728954.

The spelling of 22019141 in words is "twenty-two million, nineteen thousand, one hundred forty-one".