224721348 has 24 divisors (see below), whose sum is σ = 542431680. Its totient is φ = 72324000.

The previous prime is 224721281. The next prime is 224721359. The reversal of 224721348 is 843127422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322528 + ... + 323223.

It is an arithmetic number, because the mean of its divisors is an integer number (22601320).

Almost surely, 2^224721348 is an apocalyptic number.

It is an amenable number.

224721348 is an abundant number, since it is smaller than the sum of its proper divisors (317710332).

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

224721348 is a wasteful number, since it uses less digits than its factorization.

224721348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645787 (or 645785 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 224721348 is about 14990.7087224054. The cubic root of 224721348 is about 607.9690117228.

The spelling of 224721348 in words is "two hundred twenty-four million, seven hundred twenty-one thousand, three hundred forty-eight".