22002073 has 4 divisors (see below), whose sum is σ = 22019200. Its totient is φ = 21984948.

The previous prime is 22002067. The next prime is 22002077. The reversal of 22002073 is 37020022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002077) 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, 6465 + ... + 9262.

It is an arithmetic number, because the mean of its divisors is an integer number (5504800).

Almost surely, 2^22002073 is an apocalyptic number.

It is an amenable number.

22002073 is a deficient number, since it is larger than the sum of its proper divisors (17127).

22002073 is a wasteful number, since it uses less digits than its factorization.

22002073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17126.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 22002073 is about 4690.6367371605. The cubic root of 22002073 is about 280.2127337399.

Adding to 22002073 its reverse (37020022), we get a palindrome (59022095).

The spelling of 22002073 in words is "twenty-two million, two thousand, seventy-three".