403224420 has 24 divisors (see below), whose sum is σ = 1129028544. Its totient is φ = 107526496.

The previous prime is 403224397. The next prime is 403224427. The reversal of 403224420 is 24422304.

It is not an unprimeable number, because it can be changed into a prime (403224427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3360144 + ... + 3360263.

It is an arithmetic number, because the mean of its divisors is an integer number (47042856).

Almost surely, 2^403224420 is an apocalyptic number.

It is an amenable number.

403224420 is an abundant number, since it is smaller than the sum of its proper divisors (725804124).

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

403224420 is a wasteful number, since it uses less digits than its factorization.

403224420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720419 (or 6720417 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 403224420 is about 20080.4487001660. The cubic root of 403224420 is about 738.7808144476.

Adding to 403224420 its reverse (24422304), we get a palindrome (427646724).

The spelling of 403224420 in words is "four hundred three million, two hundred twenty-four thousand, four hundred twenty".