224006665560 has 128 divisors (see below), whose sum is σ = 716327064000. Its totient is φ = 55843880960.

The previous prime is 224006665513. The next prime is 224006665609. The reversal of 224006665560 is 65566600422.

It is a super-2 number, since 2×224006665560² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64521 + ... + 672440.

Almost surely, 2^224006665560 is an apocalyptic number.

224006665560 is a gapful number since it is divisible by the number (20) 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 224006665560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358163532000).

224006665560 is an abundant number, since it is smaller than the sum of its proper divisors (492320398440).

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

224006665560 is a wasteful number, since it uses less digits than its factorization.

224006665560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737141 (or 737137 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 224006665560 in words is "two hundred twenty-four billion, six million, six hundred sixty-five thousand, five hundred sixty".