22361423 has 12 divisors (see below), whose sum is σ = 26974800. Its totient is φ = 18156096.

The previous prime is 22361399. The next prime is 22361453. The reversal of 22361423 is 32416322.

It is not a de Polignac number, because 22361423 - 2¹² = 22357327 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 (22361453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1898 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (2247900).

Almost surely, 2^22361423 is an apocalyptic number.

22361423 is a deficient number, since it is larger than the sum of its proper divisors (4613377).

22361423 is an equidigital number, since it uses as much as digits as its factorization.

22361423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894 (or 8875 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 22361423 is about 4728.7866308388. The cubic root of 22361423 is about 281.7300326996.

Adding to 22361423 its reverse (32416322), we get a palindrome (54777745).

The spelling of 22361423 in words is "twenty-two million, three hundred sixty-one thousand, four hundred twenty-three".