22066517 has 16 divisors (see below), whose sum is σ = 24806400. Its totient is φ = 19459440.

The previous prime is 22066501. The next prime is 22066523. The reversal of 22066517 is 71566022.

It is not a de Polignac number, because 22066517 - 2⁴ = 22066501 is a prime.

It is a super-2 number, since 2×22066517² = 973862345022578, which contains 22 as substring.

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 22066517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58034 + ... + 58412.

It is an arithmetic number, because the mean of its divisors is an integer number (1550400).

Almost surely, 2^22066517 is an apocalyptic number.

It is an amenable number.

22066517 is a deficient number, since it is larger than the sum of its proper divisors (2739883).

22066517 is a wasteful number, since it uses less digits than its factorization.

22066517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22066517 is about 4697.5011442255. The cubic root of 22066517 is about 280.4860477955.

The spelling of 22066517 in words is "twenty-two million, sixty-six thousand, five hundred seventeen".