224450112521 has 8 divisors (see below), whose sum is σ = 227071029024. Its totient is φ = 221838886080.

The previous prime is 224450112511. The next prime is 224450112539. The reversal of 224450112521 is 125211054422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224450112521 - 2⁶ = 224450112457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224450112511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375915 + ... + 2468576.

It is an arithmetic number, because the mean of its divisors is an integer number (28383878628).

Almost surely, 2^224450112521 is an apocalyptic number.

It is an amenable number.

224450112521 is a deficient number, since it is larger than the sum of its proper divisors (2620916503).

224450112521 is a wasteful number, since it uses less digits than its factorization.

224450112521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845031.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 224450112521 its reverse (125211054422), we get a palindrome (349661166943).

The spelling of 224450112521 in words is "two hundred twenty-four billion, four hundred fifty million, one hundred twelve thousand, five hundred twenty-one".