22203389 has 6 divisors (see below), whose sum is σ = 24042906. Its totient is φ = 20495280.

The previous prime is 22203373. The next prime is 22203403. The reversal of 22203389 is 98330222.

It can be written as a sum of positive squares in 3 ways, for example, as 1428025 + 20775364 = 1195^2 + 4558^2 .

It is not a de Polignac number, because 22203389 - 2⁴ = 22203373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203359) 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, 65522 + ... + 65859.

It is an arithmetic number, because the mean of its divisors is an integer number (4007151).

Almost surely, 2^22203389 is an apocalyptic number.

It is an amenable number.

22203389 is a deficient number, since it is larger than the sum of its proper divisors (1839517).

22203389 is a wasteful number, since it uses less digits than its factorization.

22203389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131407 (or 131394 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 22203389 is about 4712.0472196276. The cubic root of 22203389 is about 281.0647765458.

The spelling of 22203389 in words is "twenty-two million, two hundred three thousand, three hundred eighty-nine".