451132227 has 32 divisors (see below), whose sum is σ = 822581760. Its totient is φ = 237958560.

The previous prime is 451132193. The next prime is 451132229. The reversal of 451132227 is 722231154.

It is not a de Polignac number, because 451132227 - 2⁶ = 451132163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 451132227.

It is not an unprimeable number, because it can be changed into a prime (451132229) 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 31 ways as a sum of consecutive naturals, for example, 89349 + ... + 94262.

It is an arithmetic number, because the mean of its divisors is an integer number (25705680).

Almost surely, 2^451132227 is an apocalyptic number.

451132227 is a deficient number, since it is larger than the sum of its proper divisors (371449533).

451132227 is a wasteful number, since it uses less digits than its factorization.

451132227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183640 (or 183634 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 451132227 is about 21239.8735165726. The cubic root of 451132227 is about 766.9515876308.

The spelling of 451132227 in words is "four hundred fifty-one million, one hundred thirty-two thousand, two hundred twenty-seven".