22434423 has 32 divisors (see below), whose sum is σ = 33841152. Its totient is φ = 13104000.

The previous prime is 22434413. The next prime is 22434431. The reversal of 22434423 is 32443422.

It is not a de Polignac number, because 22434423 - 2¹³ = 22426231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22434393 and 22434402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176586 + ... + 176712.

It is an arithmetic number, because the mean of its divisors is an integer number (1057536).

Almost surely, 2^22434423 is an apocalyptic number.

22434423 is a deficient number, since it is larger than the sum of its proper divisors (11406729).

22434423 is a wasteful number, since it uses less digits than its factorization.

22434423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its digits is 4608, while the sum is 24.

The square root of 22434423 is about 4736.4990235405. The cubic root of 22434423 is about 282.0362736901.

Adding to 22434423 its reverse (32443422), we get a palindrome (54877845).

It can be divided in two parts, 2243 and 4423, that added together give a palindrome (6666).

The spelling of 22434423 in words is "twenty-two million, four hundred thirty-four thousand, four hundred twenty-three".