451340226 has 12 divisors (see below), whose sum is σ = 977903862. Its totient is φ = 150446736.

The previous prime is 451340189. The next prime is 451340237. The reversal of 451340226 is 622043154.

It can be written as a sum of positive squares in only one way, i.e., 435348225 + 15992001 = 20865^2 + 3999^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 451340226.

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 in 5 ways as a sum of consecutive naturals, for example, 12537211 + ... + 12537246.

Almost surely, 2^451340226 is an apocalyptic number.

451340226 is an abundant number, since it is smaller than the sum of its proper divisors (526563636).

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

451340226 is a wasteful number, since it uses less digits than its factorization.

451340226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25074465 (or 25074462 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 451340226 is about 21244.7693797791. The cubic root of 451340226 is about 767.0694397394.

The spelling of 451340226 in words is "four hundred fifty-one million, three hundred forty thousand, two hundred twenty-six".