22002093 has 6 divisors (see below), whose sum is σ = 31780814. Its totient is φ = 14668056.

The previous prime is 22002077. The next prime is 22002107. The reversal of 22002093 is 39020022.

It can be written as a sum of positive squares in only one way, i.e., 17413929 + 4588164 = 4173^2 + 2142^2 .

It is not a de Polignac number, because 22002093 - 2⁴ = 22002077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002023) 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, 1222330 + ... + 1222347.

Almost surely, 2^22002093 is an apocalyptic number.

It is an amenable number.

22002093 is a deficient number, since it is larger than the sum of its proper divisors (9778721).

22002093 is a wasteful number, since it uses less digits than its factorization.

22002093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444683 (or 2444680 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 22002093 is about 4690.6388690668. The cubic root of 22002093 is about 280.2128186449.

The spelling of 22002093 in words is "twenty-two million, two thousand, ninety-three".