224134452 has 72 divisors (see below), whose sum is σ = 590300256. Its totient is φ = 74361888.

The previous prime is 224134441. The next prime is 224134457. The reversal of 224134452 is 254431422.

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 (224134457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284403 + ... + 285189.

Almost surely, 2^224134452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224134452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295150128).

224134452 is an abundant number, since it is smaller than the sum of its proper divisors (366165804).

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

224134452 is a wasteful number, since it uses less digits than its factorization.

224134452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1085 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 224134452 is about 14971.1205993406. The cubic root of 224134452 is about 607.4392806254.

Adding to 224134452 its reverse (254431422), we get a palindrome (478565874).

The spelling of 224134452 in words is "two hundred twenty-four million, one hundred thirty-four thousand, four hundred fifty-two".