6631224 has 32 divisors (see below), whose sum is σ = 17554320. Its totient is φ = 2080256.

The previous prime is 6631223. The next prime is 6631237. The reversal of 6631224 is 4221366.

6631224 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 6631194 and 6631203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631223) 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, 7719 + ... + 8534.

Almost surely, 2^6631224 is an apocalyptic number.

It is an amenable number.

6631224 is an abundant number, since it is smaller than the sum of its proper divisors (10923096).

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

6631224 is a wasteful number, since it uses less digits than its factorization.

6631224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16279 (or 16275 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 6631224 is about 2575.1163080529. The cubic root of 6631224 is about 187.8730847048.

The spelling of 6631224 in words is "six million, six hundred thirty-one thousand, two hundred twenty-four".