22064359 has 4 divisors (see below), whose sum is σ = 22282920. Its totient is φ = 21845800.

The previous prime is 22064347. The next prime is 22064387. The reversal of 22064359 is 95346022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95346022 = 2 ⋅47673011.

It is a cyclic number.

It is not a de Polignac number, because 22064359 - 2⁵ = 22064327 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 22064359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064459) 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, 109129 + ... + 109330.

It is an arithmetic number, because the mean of its divisors is an integer number (5570730).

Almost surely, 2^22064359 is an apocalyptic number.

22064359 is a deficient number, since it is larger than the sum of its proper divisors (218561).

22064359 is a wasteful number, since it uses less digits than its factorization.

22064359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218560.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 22064359 is about 4697.2714420182. The cubic root of 22064359 is about 280.4769040987.

The spelling of 22064359 in words is "twenty-two million, sixty-four thousand, three hundred fifty-nine".