424222520 has 32 divisors (see below), whose sum is σ = 976702320. Its totient is φ = 165742080.

The previous prime is 424222483. The next prime is 424222543. The reversal of 424222520 is 25222424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121601 + ... + 125040.

Almost surely, 2^424222520 is an apocalyptic number.

424222520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424222520 is an abundant number, since it is smaller than the sum of its proper divisors (552479800).

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

424222520 is a wasteful number, since it uses less digits than its factorization.

424222520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246695 (or 246691 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 424222520 is about 20596.6628364888. The cubic root of 424222520 is about 751.3885506127.

Adding to 424222520 its reverse (25222424), we get a palindrome (449444944).

It can be divided in two parts, 4242 and 22520, that added together give a palindrome (26762).

The spelling of 424222520 in words is "four hundred twenty-four million, two hundred twenty-two thousand, five hundred twenty".