22127423 has 4 divisors (see below), whose sum is σ = 22268520. Its totient is φ = 21986328.

The previous prime is 22127401. The next prime is 22127429. The reversal of 22127423 is 32472122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22127423 - 2¹⁴ = 22111039 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 (22127429) 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, 70313 + ... + 70626.

It is an arithmetic number, because the mean of its divisors is an integer number (5567130).

Almost surely, 2^22127423 is an apocalyptic number.

22127423 is a deficient number, since it is larger than the sum of its proper divisors (141097).

22127423 is a wasteful number, since it uses less digits than its factorization.

22127423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141096.

The product of its digits is 1344, while the sum is 23.

The square root of 22127423 is about 4703.9794854995. The cubic root of 22127423 is about 280.7438681249.

Adding to 22127423 its reverse (32472122), we get a palindrome (54599545).

The spelling of 22127423 in words is "twenty-two million, one hundred twenty-seven thousand, four hundred twenty-three".