451445222210 has 8 divisors (see below), whose sum is σ = 812601399996. Its totient is φ = 180578088880.

The previous prime is 451445222209. The next prime is 451445222227. The reversal of 451445222210 is 12222544154.

It can be written as a sum of positive squares in 2 ways, for example, as 406251989641 + 45193232569 = 637379^2 + 212587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22572261101 + ... + 22572261120.

Almost surely, 2^451445222210 is an apocalyptic number.

451445222210 is a deficient number, since it is larger than the sum of its proper divisors (361156177786).

451445222210 is a wasteful number, since it uses less digits than its factorization.

451445222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45144522228.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 451445222210 its reverse (12222544154), we get a palindrome (463667766364).

The spelling of 451445222210 in words is "four hundred fifty-one billion, four hundred forty-five million, two hundred twenty-two thousand, two hundred ten".