22040135 has 12 divisors (see below), whose sum is σ = 28640232. Its totient is φ = 16275168.

The previous prime is 22040113. The next prime is 22040147. The reversal of 22040135 is 53104022.

It is not a de Polignac number, because 22040135 - 2⁶ = 22040071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12197 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (2386686).

Almost surely, 2^22040135 is an apocalyptic number.

22040135 is a deficient number, since it is larger than the sum of its proper divisors (6600097).

22040135 is a wasteful number, since it uses less digits than its factorization.

22040135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26114 (or 26101 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22040135 is about 4694.6922156836. The cubic root of 22040135 is about 280.3742232629.

Adding to 22040135 its reverse (53104022), we get a palindrome (75144157).

The spelling of 22040135 in words is "twenty-two million, forty thousand, one hundred thirty-five".