226887479578 has 4 divisors (see below), whose sum is σ = 340331219370. Its totient is φ = 113443739788.

The previous prime is 226887479569. The next prime is 226887479603. The reversal of 226887479578 is 875974788622.

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

It can be written as a sum of positive squares in only one way, i.e., 221320379809 + 5567099769 = 470447^2 + 74613^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 226887479578.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56721869893 + ... + 56721869896.

Almost surely, 2^226887479578 is an apocalyptic number.

226887479578 is a deficient number, since it is larger than the sum of its proper divisors (113443739792).

226887479578 is a wasteful number, since it uses less digits than its factorization.

226887479578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113443739791.

The product of its digits is 758661120, while the sum is 73.

The spelling of 226887479578 in words is "two hundred twenty-six billion, eight hundred eighty-seven million, four hundred seventy-nine thousand, five hundred seventy-eight".