227288218434 has 48 divisors (see below), whose sum is σ = 497343621024. Its totient is φ = 69005880960.

The previous prime is 227288218433. The next prime is 227288218441. The reversal of 227288218434 is 434812882722.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (227288218433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061352 + ... + 1257395.

It is an arithmetic number, because the mean of its divisors is an integer number (10361325438).

Almost surely, 2^227288218434 is an apocalyptic number.

227288218434 is an abundant number, since it is smaller than the sum of its proper divisors (270055402590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227288218434 is a wasteful number, since it uses less digits than its factorization.

227288218434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318831 (or 2318800 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 51.

The spelling of 227288218434 in words is "two hundred twenty-seven billion, two hundred eighty-eight million, two hundred eighteen thousand, four hundred thirty-four".