424033221 has 32 divisors (see below), whose sum is σ = 613859328. Its totient is φ = 259585920.

The previous prime is 424033219. The next prime is 424033223. The reversal of 424033221 is 122330424.

It is an interprime number because it is at equal distance from previous prime (424033219) and next prime (424033223).

It is not a de Polignac number, because 424033221 - 2¹ = 424033219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424033223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292320 + ... + 293766.

It is an arithmetic number, because the mean of its divisors is an integer number (19183104).

Almost surely, 2^424033221 is an apocalyptic number.

It is an amenable number.

424033221 is a deficient number, since it is larger than the sum of its proper divisors (189826107).

424033221 is a wasteful number, since it uses less digits than its factorization.

424033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 424033221 is about 20592.0669433644. The cubic root of 424033221 is about 751.2767710188.

Adding to 424033221 its reverse (122330424), we get a palindrome (546363645).

The spelling of 424033221 in words is "four hundred twenty-four million, thirty-three thousand, two hundred twenty-one".