451342422 has 32 divisors (see below), whose sum is σ = 1010655360. Its totient is φ = 149296680.

The previous prime is 451342417. The next prime is 451342439. The reversal of 451342422 is 224243154.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24828 + ... + 38975.

It is an arithmetic number, because the mean of its divisors is an integer number (31582980).

Almost surely, 2^451342422 is an apocalyptic number.

451342422 is an abundant number, since it is smaller than the sum of its proper divisors (559312938).

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

451342422 is a wasteful number, since it uses less digits than its factorization.

451342422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63945 (or 63939 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 451342422 is about 21244.8210630262. The cubic root of 451342422 is about 767.0706837985.

Adding to 451342422 its reverse (224243154), we get a palindrome (675585576).

The spelling of 451342422 in words is "four hundred fifty-one million, three hundred forty-two thousand, four hundred twenty-two".