22083217 has 4 divisors (see below), whose sum is σ = 23781940. Its totient is φ = 20384496.

The previous prime is 22083211. The next prime is 22083233. The reversal of 22083217 is 71238022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71238022 = 2 ⋅35619011.

It can be written as a sum of positive squares in 2 ways, for example, as 14814801 + 7268416 = 3849^2 + 2696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22083217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22083191 and 22083200.

It is not an unprimeable number, because it can be changed into a prime (22083211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849342 + ... + 849367.

It is an arithmetic number, because the mean of its divisors is an integer number (5945485).

Almost surely, 2^22083217 is an apocalyptic number.

It is an amenable number.

22083217 is a deficient number, since it is larger than the sum of its proper divisors (1698723).

22083217 is a wasteful number, since it uses less digits than its factorization.

22083217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698722.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 22083217 is about 4699.2783488532. The cubic root of 22083217 is about 280.5567874875.

The spelling of 22083217 in words is "twenty-two million, eighty-three thousand, two hundred seventeen".