4478226251 has 4 divisors (see below), whose sum is σ = 4478489400. Its totient is φ = 4477963104.

The previous prime is 4478226227. The next prime is 4478226253. The reversal of 4478226251 is 1526228744.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4478226251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4478226199 and 4478226208.

It is not an unprimeable number, because it can be changed into a prime (4478226253) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 104141 + ... + 140718.

It is an arithmetic number, because the mean of its divisors is an integer number (1119622350).

Almost surely, 2^4478226251 is an apocalyptic number.

4478226251 is a deficient number, since it is larger than the sum of its proper divisors (263149).

4478226251 is a wasteful number, since it uses less digits than its factorization.

4478226251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263148.

The product of its digits is 215040, while the sum is 41.

The square root of 4478226251 is about 66919.5505887480. The cubic root of 4478226251 is about 1648.2965279398.

The spelling of 4478226251 in words is "four billion, four hundred seventy-eight million, two hundred twenty-six thousand, two hundred fifty-one".