6222624 has 48 divisors (see below), whose sum is σ = 16656192. Its totient is φ = 2033408.

The previous prime is 6222607. The next prime is 6222641. The reversal of 6222624 is 4262226.

It is an interprime number because it is at equal distance from previous prime (6222607) and next prime (6222641).

It is a tau number, because it is divible by the number of its divisors (48).

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 = 6222594 and 6222603.

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, 4477 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (347004).

Almost surely, 2^6222624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6222624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8328096).

6222624 is an abundant number, since it is smaller than the sum of its proper divisors (10433568).

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

6222624 is a wasteful number, since it uses less digits than its factorization.

6222624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1281 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 6222624 is about 2494.5187912702. The cubic root of 6222624 is about 183.9322371774.

The spelling of 6222624 in words is "six million, two hundred twenty-two thousand, six hundred twenty-four".