273942228 has 96 divisors (see below), whose sum is σ = 789913600. Its totient is φ = 72130176.

The previous prime is 273942223. The next prime is 273942241. The reversal of 273942228 is 822249372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273942223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56733 + ... + 61371.

Almost surely, 2^273942228 is an apocalyptic number.

273942228 is a gapful number since it is divisible by the number (28) 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 273942228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394956800).

273942228 is an abundant number, since it is smaller than the sum of its proper divisors (515971372).

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

273942228 is a wasteful number, since it uses less digits than its factorization.

273942228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709 (or 4707 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 273942228 is about 16551.2001981729. The cubic root of 273942228 is about 649.4608768298.

It can be divided in two parts, 273942 and 228, that added together give a triangular number (274170 = T₇₄₀).

The spelling of 273942228 in words is "two hundred seventy-three million, nine hundred forty-two thousand, two hundred twenty-eight".