222051657220 has 48 divisors (see below), whose sum is σ = 467711354880. Its totient is φ = 88553638656.

The previous prime is 222051657167. The next prime is 222051657221. The reversal of 222051657220 is 22756150222.

222051657220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222051657221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28636864 + ... + 28644616.

It is an arithmetic number, because the mean of its divisors is an integer number (9743986560).

Almost surely, 2^222051657220 is an apocalyptic number.

222051657220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222051657220 is an abundant number, since it is smaller than the sum of its proper divisors (245659697660).

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

222051657220 is a wasteful number, since it uses less digits than its factorization.

222051657220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884 (or 11882 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 222051657220 in words is "two hundred twenty-two billion, fifty-one million, six hundred fifty-seven thousand, two hundred twenty".