224502421 has 32 divisors (see below), whose sum is σ = 273643776. Its totient is φ = 181440000.

The previous prime is 224502419. The next prime is 224502431. The reversal of 224502421 is 124205422.

It is a cyclic number.

It is not a de Polignac number, because 224502421 - 2¹ = 224502419 is a prime.

It is a super-2 number, since 2×224502421² = 100802674069722482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224502392 and 224502401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224502401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 798801 + ... + 799081.

It is an arithmetic number, because the mean of its divisors is an integer number (8551368).

Almost surely, 2^224502421 is an apocalyptic number.

It is an amenable number.

224502421 is a deficient number, since it is larger than the sum of its proper divisors (49141355).

224502421 is a wasteful number, since it uses less digits than its factorization.

224502421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 224502421 is about 14983.4048533703. The cubic root of 224502421 is about 607.7715166481.

Adding to 224502421 its reverse (124205422), we get a palindrome (348707843).

The spelling of 224502421 in words is "two hundred twenty-four million, five hundred two thousand, four hundred twenty-one".