2208217173072 has 80 divisors (see below), whose sum is σ = 5714134867200. Its totient is φ = 734837760000.

The previous prime is 2208217173053. The next prime is 2208217173109. The reversal of 2208217173072 is 2703717128022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124320672 + ... + 124338432.

It is an arithmetic number, because the mean of its divisors is an integer number (71426685840).

Almost surely, 2^{2208217173072} is an apocalyptic number.

It is an amenable number.

2208217173072 is an abundant number, since it is smaller than the sum of its proper divisors (3505917694128).

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

2208217173072 is a wasteful number, since it uses less digits than its factorization.

2208217173072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21972 (or 21966 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 2208217173072 in words is "two trillion, two hundred eight billion, two hundred seventeen million, one hundred seventy-three thousand, seventy-two".