224856663552 has 120 divisors (see below), whose sum is σ = 672987170856. Its totient is φ = 74952179712.

The previous prime is 224856663511. The next prime is 224856663553. The reversal of 224856663552 is 255366658422.

It is a super-3 number, since 3×224856663552³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224856663553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 779233 + ... + 1028064.

Almost surely, 2^224856663552 is an apocalyptic number.

It is an amenable number.

224856663552 is an abundant number, since it is smaller than the sum of its proper divisors (448130507304).

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

224856663552 is an frugal number, since it uses more digits than its factorization.

224856663552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807330 (or 1807302 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 224856663552 in words is "two hundred twenty-four billion, eight hundred fifty-six million, six hundred sixty-three thousand, five hundred fifty-two".