22434246 has 64 divisors (see below), whose sum is σ = 52899840. Its totient is φ = 7120872.

The previous prime is 22434241. The next prime is 22434253. The reversal of 22434246 is 64243422.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434241) 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, 100491 + ... + 100713.

It is an arithmetic number, because the mean of its divisors is an integer number (826560).

Almost surely, 2^22434246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22434246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26449920).

22434246 is an abundant number, since it is smaller than the sum of its proper divisors (30465594).

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

22434246 is an equidigital number, since it uses as much as digits as its factorization.

22434246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 251 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 22434246 is about 4736.4803388170. The cubic root of 22434246 is about 282.0355319646.

Adding to 22434246 its reverse (64243422), we get a palindrome (86677668).

The spelling of 22434246 in words is "twenty-two million, four hundred thirty-four thousand, two hundred forty-six".