22434231 has 8 divisors (see below), whose sum is σ = 31486720. Its totient is φ = 14168952.

The previous prime is 22434227. The next prime is 22434239. The reversal of 22434231 is 13243422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22434231 - 2² = 22434227 is a prime.

It is a super-2 number, since 2×22434231² = 1006589441122722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22434198 and 22434207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196735 + ... + 196848.

It is an arithmetic number, because the mean of its divisors is an integer number (3935840).

Almost surely, 2^22434231 is an apocalyptic number.

22434231 is a deficient number, since it is larger than the sum of its proper divisors (9052489).

22434231 is a wasteful number, since it uses less digits than its factorization.

22434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393605.

The product of its digits is 1152, while the sum is 21.

The square root of 22434231 is about 4736.4787553625. The cubic root of 22434231 is about 282.0354691063.

Adding to 22434231 its reverse (13243422), we get a palindrome (35677653).

The spelling of 22434231 in words is "twenty-two million, four hundred thirty-four thousand, two hundred thirty-one".