224606221640 has 64 divisors (see below), whose sum is σ = 508753820160. Its totient is φ = 89240486400.

The previous prime is 224606221639. The next prime is 224606221649. The reversal of 224606221640 is 46122606422.

It is a self number, because there is not a number n which added to its sum of digits gives 224606221640.

It is not an unprimeable number, because it can be changed into a prime (224606221649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12711692 + ... + 12729348.

It is an arithmetic number, because the mean of its divisors is an integer number (7949278440).

Almost surely, 2^224606221640 is an apocalyptic number.

224606221640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224606221640 is an abundant number, since it is smaller than the sum of its proper divisors (284147598520).

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

224606221640 is a wasteful number, since it uses less digits than its factorization.

224606221640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19782 (or 19778 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 224606221640 in words is "two hundred twenty-four billion, six hundred six million, two hundred twenty-one thousand, six hundred forty".