422551451 has 12 divisors (see below), whose sum is σ = 499874040. Its totient is φ = 356045760.

The previous prime is 422551447. The next prime is 422551511. The reversal of 422551451 is 154155224.

It is not a de Polignac number, because 422551451 - 2² = 422551447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422551751) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 70190 + ... + 75971.

It is an arithmetic number, because the mean of its divisors is an integer number (41656170).

Almost surely, 2^422551451 is an apocalyptic number.

422551451 is a deficient number, since it is larger than the sum of its proper divisors (77322589).

422551451 is a wasteful number, since it uses less digits than its factorization.

422551451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146234 (or 146227 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 422551451 is about 20556.0563095162. The cubic root of 422551451 is about 750.4006457910.

The spelling of 422551451 in words is "four hundred twenty-two million, five hundred fifty-one thousand, four hundred fifty-one".