2202624 has 66 divisors (see below), whose sum is σ = 6386640. Its totient is φ = 731136.

The previous prime is 2202617. The next prime is 2202631. The reversal of 2202624 is 4262022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2202617) and next prime (2202631).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2202597 and 2202606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9097 + ... + 9335.

2^2202624 is an apocalyptic number.

2202624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2202624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193320).

2202624 is an abundant number, since it is smaller than the sum of its proper divisors (4184016).

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

2202624 is a wasteful number, since it uses less digits than its factorization.

2202624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2202624 is about 1484.1239840391. The cubic root of 2202624 is about 130.1108325037.

Adding to 2202624 its reverse (4262022), we get a palindrome (6464646).

The spelling of 2202624 in words is "two million, two hundred two thousand, six hundred twenty-four".