22001704 has 8 divisors (see below), whose sum is σ = 41253210. Its totient is φ = 11000848.

The previous prime is 22001701. The next prime is 22001713. The reversal of 22001704 is 40710022.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 2553604 = 4410^2 + 1598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22001701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375099 + ... + 1375114.

Almost surely, 2^22001704 is an apocalyptic number.

It is an amenable number.

22001704 is a deficient number, since it is larger than the sum of its proper divisors (19251506).

22001704 is a wasteful number, since it uses less digits than its factorization.

22001704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750219 (or 2750215 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 22001704 is about 4690.5974033166. The cubic root of 22001704 is about 280.2111672349.

Adding to 22001704 its reverse (40710022), we get a palindrome (62711726).

The spelling of 22001704 in words is "twenty-two million, one thousand, seven hundred four".