4621224 has 32 divisors (see below), whose sum is σ = 11632320. Its totient is φ = 1529856.

The previous prime is 4621219. The next prime is 4621231. The reversal of 4621224 is 4221264.

It is a super-2 number, since 2×4621224² = 42711422516352, which contains 22 as substring.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4621224.

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, 3432 + ... + 4584.

It is an arithmetic number, because the mean of its divisors is an integer number (363510).

Almost surely, 2^4621224 is an apocalyptic number.

It is an amenable number.

4621224 is an abundant number, since it is smaller than the sum of its proper divisors (7011096).

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

4621224 is a wasteful number, since it uses less digits than its factorization.

4621224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1325 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 4621224 is about 2149.7032353327. The cubic root of 4621224 is about 166.5657380039.

Adding to 4621224 its reverse (4221264), we get a palindrome (8842488).

The spelling of 4621224 in words is "four million, six hundred twenty-one thousand, two hundred twenty-four".