22064039 has 4 divisors (see below), whose sum is σ = 22087824. Its totient is φ = 22040256.

The previous prime is 22064023. The next prime is 22064083. The reversal of 22064039 is 93046022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22064039 - 2⁴ = 22064023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22063999 and 22064017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064639) 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 3 ways as a sum of consecutive naturals, for example, 10442 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (5521956).

Almost surely, 2^22064039 is an apocalyptic number.

22064039 is a deficient number, since it is larger than the sum of its proper divisors (23785).

22064039 is an equidigital number, since it uses as much as digits as its factorization.

22064039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23784.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22064039 is about 4697.2373795668. The cubic root of 22064039 is about 280.4755481708.

The spelling of 22064039 in words is "twenty-two million, sixty-four thousand, thirty-nine".