22140135 has 20 divisors (see below), whose sum is σ = 39688968. Its totient is φ = 11807856.

The previous prime is 22140121. The next prime is 22140199. The reversal of 22140135 is 53104122.

It is not a de Polignac number, because 22140135 - 2⁶ = 22140071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26929 + ... + 27738.

Almost surely, 2^22140135 is an apocalyptic number.

22140135 is a deficient number, since it is larger than the sum of its proper divisors (17548833).

22140135 is an equidigital number, since it uses as much as digits as its factorization.

22140135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54684 (or 54675 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22140135 is about 4705.3304878616. The cubic root of 22140135 is about 280.7976194188.

Adding to 22140135 its reverse (53104122), we get a palindrome (75244257).

The spelling of 22140135 in words is "twenty-two million, one hundred forty thousand, one hundred thirty-five".