22141439 has 4 divisors (see below), whose sum is σ = 22559256. Its totient is φ = 21723624.

The previous prime is 22141397. The next prime is 22141451. The reversal of 22141439 is 93414122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22141439 - 2¹⁶ = 22075903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208829 + ... + 208934.

It is an arithmetic number, because the mean of its divisors is an integer number (5639814).

Almost surely, 2^22141439 is an apocalyptic number.

22141439 is a deficient number, since it is larger than the sum of its proper divisors (417817).

22141439 is an equidigital number, since it uses as much as digits as its factorization.

22141439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417816.

The product of its digits is 1728, while the sum is 26.

The square root of 22141439 is about 4705.4690520712. The cubic root of 22141439 is about 280.8031320757.

The spelling of 22141439 in words is "twenty-two million, one hundred forty-one thousand, four hundred thirty-nine".