22434456 has 32 divisors (see below), whose sum is σ = 61185600. Its totient is φ = 6798240.

The previous prime is 22434439. The next prime is 22434457. The reversal of 22434456 is 65443422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42226 + ... + 42753.

It is an arithmetic number, because the mean of its divisors is an integer number (1912050).

Almost surely, 2^22434456 is an apocalyptic number.

It is an amenable number.

22434456 is an abundant number, since it is smaller than the sum of its proper divisors (38751144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22434456 is a wasteful number, since it uses less digits than its factorization.

22434456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84999 (or 84995 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 22434456 is about 4736.5025071249. The cubic root of 22434456 is about 282.0364119775.

Adding to 22434456 its reverse (65443422), we get a palindrome (87877878).

The spelling of 22434456 in words is "twenty-two million, four hundred thirty-four thousand, four hundred fifty-six".