274225218 has 16 divisors (see below), whose sum is σ = 567362880. Its totient is φ = 88256336.

The previous prime is 274225199. The next prime is 274225219. The reversal of 274225218 is 812522472.

It is not an unprimeable number, because it can be changed into a prime (274225219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787830 + ... + 788177.

It is an arithmetic number, because the mean of its divisors is an integer number (35460180).

Almost surely, 2^274225218 is an apocalyptic number.

274225218 is an abundant number, since it is smaller than the sum of its proper divisors (293137662).

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

274225218 is a wasteful number, since it uses less digits than its factorization.

274225218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576041.

The product of its digits is 17920, while the sum is 33.

The square root of 274225218 is about 16559.7469183560. The cubic root of 274225218 is about 649.6844369628.

It can be divided in two parts, 27422 and 5218, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 274225218 in words is "two hundred seventy-four million, two hundred twenty-five thousand, two hundred eighteen".