457047922 has 4 divisors (see below), whose sum is σ = 685571886. Its totient is φ = 228523960.

The previous prime is 457047901. The next prime is 457047923. The reversal of 457047922 is 229740754.

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., 446941881 + 10106041 = 21141^2 + 3179^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (457047923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114261979 + ... + 114261982.

Almost surely, 2^457047922 is an apocalyptic number.

457047922 is a deficient number, since it is larger than the sum of its proper divisors (228523964).

457047922 is a wasteful number, since it uses less digits than its factorization.

457047922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228523963.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 457047922 is about 21378.6791453541. The cubic root of 457047922 is about 770.2893846789.

The spelling of 457047922 in words is "four hundred fifty-seven million, forty-seven thousand, nine hundred twenty-two".