22434280 has 64 divisors (see below), whose sum is σ = 55961280. Its totient is φ = 8025600.

The previous prime is 22434277. The next prime is 22434283. The reversal of 22434280 is 8243422.

It is an interprime number because it is at equal distance from previous prime (22434277) and next prime (22434283).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29100 + ... + 29860.

It is an arithmetic number, because the mean of its divisors is an integer number (874395).

Almost surely, 2^22434280 is an apocalyptic number.

22434280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22434280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27980640).

22434280 is an abundant number, since it is smaller than the sum of its proper divisors (33527000).

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

22434280 is a wasteful number, since it uses less digits than its factorization.

22434280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 22434280 is about 4736.4839279786. The cubic root of 22434280 is about 282.0356744433.

It can be divided in two parts, 224342 and 80, that added together give a palindrome (224422).

The spelling of 22434280 in words is "twenty-two million, four hundred thirty-four thousand, two hundred eighty".