22004667 has 6 divisors (see below), whose sum is σ = 31784532. Its totient is φ = 14669772.

The previous prime is 22004639. The next prime is 22004683. The reversal of 22004667 is 76640022.

It is not a de Polignac number, because 22004667 - 2⁷ = 22004539 is a prime.

It is a super-3 number, since 3×22004667³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22004667.

It is not an unprimeable number, because it can be changed into a prime (22004617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222473 + ... + 1222490.

It is an arithmetic number, because the mean of its divisors is an integer number (5297422).

Almost surely, 2^22004667 is an apocalyptic number.

22004667 is a deficient number, since it is larger than the sum of its proper divisors (9779865).

22004667 is a wasteful number, since it uses less digits than its factorization.

22004667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444969 (or 2444966 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 22004667 is about 4690.9132373132. The cubic root of 22004667 is about 280.2237454791.

Adding to 22004667 its reverse (76640022), we get a palindrome (98644689).

The spelling of 22004667 in words is "twenty-two million, four thousand, six hundred sixty-seven".