227144709 has 48 divisors (see below), whose sum is σ = 372697920. Its totient is φ = 136620000.

The previous prime is 227144681. The next prime is 227144713. The reversal of 227144709 is 907441722.

It is not a de Polignac number, because 227144709 - 2²⁵ = 193590277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227142709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 819879 + ... + 820155.

It is an arithmetic number, because the mean of its divisors is an integer number (7764540).

Almost surely, 2^227144709 is an apocalyptic number.

It is an amenable number.

227144709 is a deficient number, since it is larger than the sum of its proper divisors (145553211).

227144709 is a wasteful number, since it uses less digits than its factorization.

227144709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 227144709 is about 15071.3207450442. The cubic root of 227144709 is about 610.1466179859.

The spelling of 227144709 in words is "two hundred twenty-seven million, one hundred forty-four thousand, seven hundred nine".