227404465 has 4 divisors (see below), whose sum is σ = 272885364. Its totient is φ = 181923568.

The previous prime is 227404459. The next prime is 227404493. The reversal of 227404465 is 564404722.

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 79441569 + 147962896 = 8913^2 + 12164^2 .

It is a cyclic number.

It is not a de Polignac number, because 227404465 - 2⁵ = 227404433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227404465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22740442 + ... + 22740451.

It is an arithmetic number, because the mean of its divisors is an integer number (68221341).

Almost surely, 2^227404465 is an apocalyptic number.

It is an amenable number.

227404465 is a deficient number, since it is larger than the sum of its proper divisors (45480899).

227404465 is an equidigital number, since it uses as much as digits as its factorization.

227404465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45480898.

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 227404465 is about 15079.9358420386. The cubic root of 227404465 is about 610.3791112856.

The spelling of 227404465 in words is "two hundred twenty-seven million, four hundred four thousand, four hundred sixty-five".