275222160 has 60 divisors (see below), whose sum is σ = 924290172. Its totient is φ = 73392384.

The previous prime is 275222159. The next prime is 275222173. The reversal of 275222160 is 61222572.

It can be written as a sum of positive squares in 2 ways, for example, as 155451024 + 119771136 = 12468^2 + 10944^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190407 + ... + 191846.

Almost surely, 2^275222160 is an apocalyptic number.

275222160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275222160 is an abundant number, since it is smaller than the sum of its proper divisors (649068012).

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

275222160 is a wasteful number, since it uses less digits than its factorization.

275222160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382272 (or 382263 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 275222160 is about 16589.8209755259. The cubic root of 275222160 is about 650.4707910764.

It can be divided in two parts, 2752221 and 60, that added together give a square (2752281 = 1659²).

The spelling of 275222160 in words is "two hundred seventy-five million, two hundred twenty-two thousand, one hundred sixty".