22938369 has 4 divisors (see below), whose sum is σ = 30584496. Its totient is φ = 15292244.

The previous prime is 22938353. The next prime is 22938371. The reversal of 22938369 is 96383922.

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 not a de Polignac number, because 22938369 - 2⁴ = 22938353 is a prime.

It is a super-2 number, since 2×22938369² = 1052337544760322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22938369.

It is not an unprimeable number, because it can be changed into a prime (22938319) 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, 3823059 + ... + 3823064.

It is an arithmetic number, because the mean of its divisors is an integer number (7646124).

Almost surely, 2^22938369 is an apocalyptic number.

It is an amenable number.

22938369 is a deficient number, since it is larger than the sum of its proper divisors (7646127).

22938369 is an equidigital number, since it uses as much as digits as its factorization.

22938369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646126.

The product of its digits is 139968, while the sum is 42.

The square root of 22938369 is about 4789.4017371693. The cubic root of 22938369 is about 284.1324557369.

The spelling of 22938369 in words is "twenty-two million, nine hundred thirty-eight thousand, three hundred sixty-nine".