451022238 has 12 divisors (see below), whose sum is σ = 977214888. Its totient is φ = 150340740.

The previous prime is 451022237. The next prime is 451022261. The reversal of 451022238 is 832220154.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451022233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12528378 + ... + 12528413.

It is an arithmetic number, because the mean of its divisors is an integer number (81434574).

Almost surely, 2^451022238 is an apocalyptic number.

451022238 is an abundant number, since it is smaller than the sum of its proper divisors (526192650).

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

451022238 is a wasteful number, since it uses less digits than its factorization.

451022238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25056799 (or 25056796 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 451022238 is about 21237.2841484028. The cubic root of 451022238 is about 766.8892532865.

The spelling of 451022238 in words is "four hundred fifty-one million, twenty-two thousand, two hundred thirty-eight".