422431254 has 64 divisors (see below), whose sum is σ = 1094784000. Its totient is φ = 120689352.

The previous prime is 422431231. The next prime is 422431267. The reversal of 422431254 is 452134224.

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 31 ways as a sum of consecutive naturals, for example, 7119 + ... + 29925.

It is an arithmetic number, because the mean of its divisors is an integer number (17106000).

Almost surely, 2^422431254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422431254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547392000).

422431254 is an abundant number, since it is smaller than the sum of its proper divisors (672352746).

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

422431254 is a wasteful number, since it uses less digits than its factorization.

422431254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22839 (or 22819 counting only the distinct ones).

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

The square root of 422431254 is about 20553.1324619874. The cubic root of 422431254 is about 750.3294872297.

Adding to 422431254 its reverse (452134224), we get a palindrome (874565478).

The spelling of 422431254 in words is "four hundred twenty-two million, four hundred thirty-one thousand, two hundred fifty-four".