457226778 has 32 divisors (see below), whose sum is σ = 922032000. Its totient is φ = 151151616.

The previous prime is 457226767. The next prime is 457226779. The reversal of 457226778 is 877622754.

It is a super-2 number, since 2×457226778² = 418112653040522568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (457226779) 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 15 ways as a sum of consecutive naturals, for example, 679050 + ... + 679722.

It is an arithmetic number, because the mean of its divisors is an integer number (28813500).

Almost surely, 2^457226778 is an apocalyptic number.

457226778 is an abundant number, since it is smaller than the sum of its proper divisors (464805222).

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

457226778 is a wasteful number, since it uses less digits than its factorization.

457226778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its digits is 1317120, while the sum is 48.

The square root of 457226778 is about 21382.8617822779. The cubic root of 457226778 is about 770.3898503735.

The spelling of 457226778 in words is "four hundred fifty-seven million, two hundred twenty-six thousand, seven hundred seventy-eight".