6411224 has 8 divisors (see below), whose sum is σ = 12021060. Its totient is φ = 3205608.

The previous prime is 6411221. The next prime is 6411239. The reversal of 6411224 is 4221146.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6411224² = 82207586356352, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6411196 and 6411205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400694 + ... + 400709.

Almost surely, 2^6411224 is an apocalyptic number.

It is an amenable number.

6411224 is a deficient number, since it is larger than the sum of its proper divisors (5609836).

6411224 is a wasteful number, since it uses less digits than its factorization.

6411224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801409 (or 801405 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 6411224 is about 2532.0394941628. The cubic root of 6411224 is about 185.7720257769.

The spelling of 6411224 in words is "six million, four hundred eleven thousand, two hundred twenty-four".