422454340 has 96 divisors (see below), whose sum is σ = 1154248704. Its totient is φ = 125938560.

The previous prime is 422454323. The next prime is 422454349. The reversal of 422454340 is 43454224.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 422454299 and 422454308.

It is not an unprimeable number, because it can be changed into a prime (422454349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29457 + ... + 41383.

It is an arithmetic number, because the mean of its divisors is an integer number (12023424).

Almost surely, 2^422454340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422454340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577124352).

422454340 is an abundant number, since it is smaller than the sum of its proper divisors (731794364).

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

422454340 is a wasteful number, since it uses less digits than its factorization.

422454340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11977 (or 11975 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 422454340 is about 20553.6940718694. The cubic root of 422454340 is about 750.3431555610.

It can be divided in two parts, 4224 and 54340, that added together give a square (58564 = 242²).

The spelling of 422454340 in words is "four hundred twenty-two million, four hundred fifty-four thousand, three hundred forty".