22140441 has 24 divisors (see below), whose sum is σ = 32741280. Its totient is φ = 14414400.

The previous prime is 22140439. The next prime is 22140449. The reversal of 22140441 is 14404122.

22140441 is a `hidden beast` number, since 221 + 4 + 0 + 441 = 666.

It is not a de Polignac number, because 22140441 - 2¹ = 22140439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22140449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104826 + ... + 105036.

It is an arithmetic number, because the mean of its divisors is an integer number (1364220).

Almost surely, 2^22140441 is an apocalyptic number.

It is an amenable number.

22140441 is a deficient number, since it is larger than the sum of its proper divisors (10600839).

22140441 is a wasteful number, since it uses less digits than its factorization.

22140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22140441 is about 4705.3630040625. The cubic root of 22140441 is about 280.7989130525.

Adding to 22140441 its reverse (14404122), we get a palindrome (36544563).

It can be divided in two parts, 221404 and 41, that added together give a triangular number (221445 = T₆₆₅).

The spelling of 22140441 in words is "twenty-two million, one hundred forty thousand, four hundred forty-one".