274912221 has 8 divisors (see below), whose sum is σ = 368469504. Its totient is φ = 182314880.

The previous prime is 274912207. The next prime is 274912223. The reversal of 274912221 is 122219472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 274912221 - 2¹¹ = 274910173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274912223) 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, 239316 + ... + 240461.

It is an arithmetic number, because the mean of its divisors is an integer number (46058688).

Almost surely, 2^274912221 is an apocalyptic number.

It is an amenable number.

274912221 is a deficient number, since it is larger than the sum of its proper divisors (93557283).

274912221 is a wasteful number, since it uses less digits than its factorization.

274912221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479971.

The product of its digits is 4032, while the sum is 30.

The square root of 274912221 is about 16580.4771041125. The cubic root of 274912221 is about 650.2265253858.

The spelling of 274912221 in words is "two hundred seventy-four million, nine hundred twelve thousand, two hundred twenty-one".