2622224 has 40 divisors (see below), whose sum is σ = 5678208. Its totient is φ = 1162880.

The previous prime is 2622211. The next prime is 2622229. The reversal of 2622224 is 4222262.

It is a d-powerful number, because it can be written as 2 + 6 + 2³ + 2⁹ + 2¹⁹ + 2²¹ + 4⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 2622196 and 2622205.

It is not an unprimeable number, because it can be changed into a prime (2622229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8114 + ... + 8430.

2^2622224 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 2622224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839104).

2622224 is an abundant number, since it is smaller than the sum of its proper divisors (3055984).

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

2622224 is a wasteful number, since it uses less digits than its factorization.

2622224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 2622224 is about 1619.3282557900. The cubic root of 2622224 is about 137.8975645341.

Adding to 2622224 its reverse (4222262), we get a palindrome (6844486).

It can be divided in two parts, 2 and 622224, that added together give a palindrome (622226).

The spelling of 2622224 in words is "two million, six hundred twenty-two thousand, two hundred twenty-four".