22140355 has 8 divisors (see below), whose sum is σ = 27425664. Its totient is φ = 17140800.

The previous prime is 22140353. The next prime is 22140361. The reversal of 22140355 is 55304122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22140355 - 2¹ = 22140353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22140353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71266 + ... + 71575.

It is an arithmetic number, because the mean of its divisors is an integer number (3428208).

Almost surely, 2^22140355 is an apocalyptic number.

22140355 is a deficient number, since it is larger than the sum of its proper divisors (5285309).

22140355 is a wasteful number, since it uses less digits than its factorization.

22140355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142877.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22140355 is about 4705.3538655451. The cubic root of 22140355 is about 280.7985494834.

Adding to 22140355 its reverse (55304122), we get a palindrome (77444477).

The spelling of 22140355 in words is "twenty-two million, one hundred forty thousand, three hundred fifty-five".