275222016 has 160 divisors (see below), whose sum is σ = 835422720. Its totient is φ = 89413632.

The previous prime is 275221981. The next prime is 275222029. The reversal of 275222016 is 610222572.

275222016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×275222016² = 151494316182208512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594201 + ... + 594663.

It is an arithmetic number, because the mean of its divisors is an integer number (5221392).

Almost surely, 2^275222016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275222016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417711360).

275222016 is an abundant number, since it is smaller than the sum of its proper divisors (560200704).

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

275222016 is an equidigital number, since it uses as much as digits as its factorization.

275222016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 511 counting only the distinct ones).

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

The square root of 275222016 is about 16589.8166355147. The cubic root of 275222016 is about 650.4706776313.

Adding to 275222016 its reverse (610222572), we get a palindrome (885444588).

The spelling of 275222016 in words is "two hundred seventy-five million, two hundred twenty-two thousand, sixteen".