22840141 has 2 divisors, whose sum is σ = 22840142. Its totient is φ = 22840140.

The previous prime is 22840133. The next prime is 22840171. The reversal of 22840141 is 14104822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19053225 + 3786916 = 4365^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 22840141 - 2³ = 22840133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22840121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11420070 + 11420071.

It is an arithmetic number, because the mean of its divisors is an integer number (11420071).

Almost surely, 2^22840141 is an apocalyptic number.

It is an amenable number.

22840141 is a deficient number, since it is larger than the sum of its proper divisors (1).

22840141 is an equidigital number, since it uses as much as digits as its factorization.

22840141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 22840141 is about 4779.1360097825. The cubic root of 22840141 is about 283.7262993265.

Adding to 22840141 its reverse (14104822), we get a palindrome (36944963).

The spelling of 22840141 in words is "twenty-two million, eight hundred forty thousand, one hundred forty-one".