424222464 has 72 divisors (see below), whose sum is σ = 1159642960. Its totient is φ = 137576448.

The previous prime is 424222459. The next prime is 424222483. The reversal of 424222464 is 464222424.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20952 + ... + 35880.

Almost surely, 2^424222464 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 424222464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579821480).

424222464 is an abundant number, since it is smaller than the sum of its proper divisors (735420496).

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

424222464 is a wasteful number, since it uses less digits than its factorization.

424222464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14985 (or 14971 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 424222464 is about 20596.6614770453. The cubic root of 424222464 is about 751.3885175501.

Adding to 424222464 its reverse (464222424), we get a palindrome (888444888).

The spelling of 424222464 in words is "four hundred twenty-four million, two hundred twenty-two thousand, four hundred sixty-four".