227770369 has 4 divisors (see below), whose sum is σ = 241168644. Its totient is φ = 214372096.

The previous prime is 227770339. The next prime is 227770381. The reversal of 227770369 is 963077722.

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 201299344 + 26471025 = 14188^2 + 5145^2 .

It is a cyclic number.

It is not a de Polignac number, because 227770369 - 2⁵ = 227770337 is a prime.

It is a super-2 number, since 2×227770369² = 103758681988792322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227770339) 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, 6699112 + ... + 6699145.

It is an arithmetic number, because the mean of its divisors is an integer number (60292161).

It is a Proth number, since it is equal to 6951 ⋅ 2¹⁵ + 1 and 6951 < 2¹⁵.

Almost surely, 2^227770369 is an apocalyptic number.

It is an amenable number.

227770369 is a deficient number, since it is larger than the sum of its proper divisors (13398275).

227770369 is a wasteful number, since it uses less digits than its factorization.

227770369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398274.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 227770369 is about 15092.0631127755. The cubic root of 227770369 is about 610.7063116584.

The spelling of 227770369 in words is "two hundred twenty-seven million, seven hundred seventy thousand, three hundred sixty-nine".