2174429 has 4 divisors (see below), whose sum is σ = 2196060. Its totient is φ = 2152800.

The previous prime is 2174423. The next prime is 2174461. The reversal of 2174429 is 9244712.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 851929 = 1150^2 + 923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2174429 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 10664 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (549015).

2^2174429 is an apocalyptic number.

It is an amenable number.

2174429 is a deficient number, since it is larger than the sum of its proper divisors (21631).

2174429 is a wasteful number, since it uses less digits than its factorization.

2174429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21630.

The product of its digits is 4032, while the sum is 29.

The square root of 2174429 is about 1474.5945205378. The cubic root of 2174429 is about 129.5532793095.

The spelling of 2174429 in words is "two million, one hundred seventy-four thousand, four hundred twenty-nine".