224521542 has 48 divisors (see below), whose sum is σ = 556876320. Its totient is φ = 64043136.

The previous prime is 224521511. The next prime is 224521543. The reversal of 224521542 is 245125422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224521543) 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, 106434 + ... + 108522.

It is an arithmetic number, because the mean of its divisors is an integer number (11601590).

Almost surely, 2^224521542 is an apocalyptic number.

224521542 is an abundant number, since it is smaller than the sum of its proper divisors (332354778).

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

224521542 is a wasteful number, since it uses less digits than its factorization.

224521542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2954 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 224521542 is about 14984.0429123785. The cubic root of 224521542 is about 607.7887709079.

Adding to 224521542 its reverse (245125422), we get a palindrome (469646964).

The spelling of 224521542 in words is "two hundred twenty-four million, five hundred twenty-one thousand, five hundred forty-two".