275880222 has 64 divisors (see below), whose sum is σ = 639744000. Its totient is φ = 88024320.

The previous prime is 275880221. The next prime is 275880259. The reversal of 275880222 is 222088572.

It is a super-2 number, since 2×275880222² = 152219793781538568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275880221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161529 + ... + 163227.

It is an arithmetic number, because the mean of its divisors is an integer number (9996000).

Almost surely, 2^275880222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275880222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319872000).

275880222 is an abundant number, since it is smaller than the sum of its proper divisors (363863778).

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

275880222 is a wasteful number, since it uses less digits than its factorization.

275880222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 275880222 is about 16609.6424404621. The cubic root of 275880222 is about 650.9888082342.

The spelling of 275880222 in words is "two hundred seventy-five million, eight hundred eighty thousand, two hundred twenty-two".