22040039 has 16 divisors (see below), whose sum is σ = 26566656. Its totient is φ = 17884800.

The previous prime is 22040023. The next prime is 22040071. The reversal of 22040039 is 93004022.

22040039 = T₁₈₉ + T₁₉₀ + ... + T₅₁₇.

It is a cyclic number.

It is not a de Polignac number, because 22040039 - 2⁴ = 22040023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22040039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040009) 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 15 ways as a sum of consecutive naturals, for example, 9119 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (1660416).

Almost surely, 2^22040039 is an apocalyptic number.

22040039 is a deficient number, since it is larger than the sum of its proper divisors (4526617).

22040039 is a wasteful number, since it uses less digits than its factorization.

22040039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 22040039 is about 4694.6819913600. The cubic root of 22040039 is about 280.3738161879.

The spelling of 22040039 in words is "twenty-two million, forty thousand, thirty-nine".