22102193 has 4 divisors (see below), whose sum is σ = 23402340. Its totient is φ = 20802048.

The previous prime is 22102169. The next prime is 22102211. The reversal of 22102193 is 39120122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39120122 = 2 ⋅19560061.

It can be written as a sum of positive squares in 2 ways, for example, as 20584369 + 1517824 = 4537^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102193 - 2¹⁶ = 22036657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101193) 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, 650048 + ... + 650081.

It is an arithmetic number, because the mean of its divisors is an integer number (5850585).

Almost surely, 2^22102193 is an apocalyptic number.

It is an amenable number.

22102193 is a deficient number, since it is larger than the sum of its proper divisors (1300147).

22102193 is a wasteful number, since it uses less digits than its factorization.

22102193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300146.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 22102193 is about 4701.2969487153. The cubic root of 22102193 is about 280.6371248376.

The spelling of 22102193 in words is "twenty-two million, one hundred two thousand, one hundred ninety-three".