270224209 has 4 divisors (see below), whose sum is σ = 277527604. Its totient is φ = 262920816.

The previous prime is 270224191. The next prime is 270224237. The reversal of 270224209 is 902422072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 170224209 + 100000000 = 13047^2 + 10000^2 .

It is not a de Polignac number, because 270224209 - 2⁹ = 270223697 is a prime.

It is a super-2 number, since 2×270224209² = 146042246259351362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270224239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651642 + ... + 3651715.

It is an arithmetic number, because the mean of its divisors is an integer number (69381901).

Almost surely, 2^270224209 is an apocalyptic number.

It is an amenable number.

270224209 is a deficient number, since it is larger than the sum of its proper divisors (7303395).

270224209 is an equidigital number, since it uses as much as digits as its factorization.

270224209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303394.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 270224209 is about 16438.4977719985. The cubic root of 270224209 is about 646.5092625659.

The spelling of 270224209 in words is "two hundred seventy million, two hundred twenty-four thousand, two hundred nine".