274967220 has 96 divisors (see below), whose sum is σ = 846308736. Its totient is φ = 66150400.

The previous prime is 274967219. The next prime is 274967243. The reversal of 274967220 is 22769472.

It is a congruent number.

It is an unprimeable number.

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, 88900 + ... + 91940.

It is an arithmetic number, because the mean of its divisors is an integer number (8815716).

Almost surely, 2^274967220 is an apocalyptic number.

274967220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274967220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423154368).

274967220 is an abundant number, since it is smaller than the sum of its proper divisors (571341516).

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

274967220 is a wasteful number, since it uses less digits than its factorization.

274967220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3199 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 274967220 is about 16582.1355681348. The cubic root of 274967220 is about 650.2698839822.

It can be divided in two parts, 27496 and 7220, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 274967220 in words is "two hundred seventy-four million, nine hundred sixty-seven thousand, two hundred twenty".