22064045 has 8 divisors (see below), whose sum is σ = 28034424. Its totient is φ = 16612864.

The previous prime is 22064023. The next prime is 22064083. The reversal of 22064045 is 54046022.

It can be written as a sum of positive squares in 4 ways, for example, as 6869641 + 15194404 = 2621^2 + 3898^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22064045 - 2⁶ = 22063981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22064045.

It is a congruent number.

It is an unprimeable number.

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, 129704 + ... + 129873.

It is an arithmetic number, because the mean of its divisors is an integer number (3504303).

Almost surely, 2^22064045 is an apocalyptic number.

It is an amenable number.

22064045 is a deficient number, since it is larger than the sum of its proper divisors (5970379).

22064045 is a wasteful number, since it uses less digits than its factorization.

22064045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259599.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22064045 is about 4697.2380182401. The cubic root of 22064045 is about 280.4755735945.

The spelling of 22064045 in words is "twenty-two million, sixty-four thousand, forty-five".