224525312 has 88 divisors (see below), whose sum is σ = 506214912. Its totient is φ = 98611200.

The previous prime is 224525303. The next prime is 224525339. The reversal of 224525312 is 213525422.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent 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, 348863 + ... + 349505.

Almost surely, 2^224525312 is an apocalyptic number.

224525312 is a gapful number since it is divisible by the number (22) 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 224525312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253107456).

224525312 is an abundant number, since it is smaller than the sum of its proper divisors (281689600).

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

224525312 is a wasteful number, since it uses less digits than its factorization.

224525312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 687 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 224525312 is about 14984.1687123444. The cubic root of 224525312 is about 607.7921727357.

The spelling of 224525312 in words is "two hundred twenty-four million, five hundred twenty-five thousand, three hundred twelve".