2174424 has 72 divisors (see below), whose sum is σ = 6474060. Its totient is φ = 606816.

The previous prime is 2174423. The next prime is 2174461. The reversal of 2174424 is 4244712.

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 = 2174394 and 2174403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50547 + ... + 50589.

2^2174424 is an apocalyptic number.

2174424 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 2174424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3237030).

2174424 is an abundant number, since it is smaller than the sum of its proper divisors (4299636).

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

2174424 is a wasteful number, since it uses less digits than its factorization.

2174424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 55 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 2174424 is about 1474.5928251555. The cubic root of 2174424 is about 129.5531800088.

Multiplying 2174424 by its sum of digits (24), we get a square (52186176 = 7224²).

2174424 divided by its sum of digits (24) gives a square (90601 = 301²).

The spelling of 2174424 in words is "two million, one hundred seventy-four thousand, four hundred twenty-four".