8401224 has 32 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 2584896.

The previous prime is 8401219. The next prime is 8401241. The reversal of 8401224 is 4221048.

It is a self number, because there is not a number n which added to its sum of digits gives 8401224.

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, 13152 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

Almost surely, 2^8401224 is an apocalyptic number.

It is an amenable number.

8401224 is an abundant number, since it is smaller than the sum of its proper divisors (14218296).

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

8401224 is a wasteful number, since it uses less digits than its factorization.

8401224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26949 (or 26945 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 8401224 is about 2898.4865016073. The cubic root of 8401224 is about 203.2891444480.

The spelling of 8401224 in words is "eight million, four hundred one thousand, two hundred twenty-four".