224788478 has 4 divisors (see below), whose sum is σ = 337182720. Its totient is φ = 112394238.

The previous prime is 224788469. The next prime is 224788507. The reversal of 224788478 is 874887422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56197118 + ... + 56197121.

It is an arithmetic number, because the mean of its divisors is an integer number (84295680).

Almost surely, 2^224788478 is an apocalyptic number.

224788478 is a deficient number, since it is larger than the sum of its proper divisors (112394242).

224788478 is a wasteful number, since it uses less digits than its factorization.

224788478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112394241.

The product of its digits is 1605632, while the sum is 50.

The square root of 224788478 is about 14992.9476087926. The cubic root of 224788478 is about 608.0295443140.

The spelling of 224788478 in words is "two hundred twenty-four million, seven hundred eighty-eight thousand, four hundred seventy-eight".