2244624 has 40 divisors (see below), whose sum is σ = 5868672. Its totient is φ = 739200.

The previous prime is 2244623. The next prime is 2244631. The reversal of 2244624 is 4264422.

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 an Ulam number.

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 4 + 4 + 6 + 2²¹ + 4⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2244594 and 2244603.

It is not an unprimeable number, because it can be changed into a prime (2244623) 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, 4617 + ... + 5079.

2^2244624 is an apocalyptic number.

2244624 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 2244624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934336).

2244624 is an abundant number, since it is smaller than the sum of its proper divisors (3624048).

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

2244624 is a wasteful number, since it uses less digits than its factorization.

2244624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 569 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 2244624 is about 1498.2069282980. The cubic root of 2244624 is about 130.9326227338.

The spelling of 2244624 in words is "two million, two hundred forty-four thousand, six hundred twenty-four".