222728071500181 has 16 divisors (see below), whose sum is σ = 246345688000384. Its totient is φ = 200036927329344.

The previous prime is 222728071500163. The next prime is 222728071500239. The reversal of 222728071500181 is 181005170827222.

222728071500181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222728071500181 - 2¹⁷ = 222728071369109 is a prime.

It is a super-2 number, since 2×222728071500181² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222728071500101) 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, 60958270 + ... + 64508656.

It is an arithmetic number, because the mean of its divisors is an integer number (15396605500024).

Almost surely, 2^{222728071500181} is an apocalyptic number.

It is an amenable number.

222728071500181 is a deficient number, since it is larger than the sum of its proper divisors (23617616500203).

222728071500181 is a wasteful number, since it uses less digits than its factorization.

222728071500181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680860.

The product of its (nonzero) digits is 250880, while the sum is 46.

The spelling of 222728071500181 in words is "two hundred twenty-two trillion, seven hundred twenty-eight billion, seventy-one million, five hundred thousand, one hundred eighty-one".