222382538816728 has 8 divisors (see below), whose sum is σ = 416967260281380. Its totient is φ = 111191269408360.

The previous prime is 222382538816723. The next prime is 222382538816747. The reversal of 222382538816728 is 827618835283222.

222382538816728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222382538816723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13898908676038 + ... + 13898908676053.

Almost surely, 2^{222382538816728} is an apocalyptic number.

It is an amenable number.

222382538816728 is a deficient number, since it is larger than the sum of its proper divisors (194584721464652).

222382538816728 is a wasteful number, since it uses less digits than its factorization.

222382538816728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27797817352097 (or 27797817352093 counting only the distinct ones).

The product of its digits is 247726080, while the sum is 67.

The spelling of 222382538816728 in words is "two hundred twenty-two trillion, three hundred eighty-two billion, five hundred thirty-eight million, eight hundred sixteen thousand, seven hundred twenty-eight".