228220614720 has 448 divisors, whose sum is σ = 939716444160. Its totient is φ = 51054188544.

The previous prime is 228220614709. The next prime is 228220614779. The reversal of 228220614720 is 27416022822.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2802417 + ... + 2882703.

Almost surely, 2^228220614720 is an apocalyptic number.

228220614720 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 228220614720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469858222080).

228220614720 is an abundant number, since it is smaller than the sum of its proper divisors (711495829440).

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

228220614720 is a wasteful number, since it uses less digits than its factorization.

228220614720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80367 (or 80351 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 228220614720 in words is "two hundred twenty-eight billion, two hundred twenty million, six hundred fourteen thousand, seven hundred twenty".