4040229 has 4 divisors (see below), whose sum is σ = 5386976. Its totient is φ = 2693484.

The previous prime is 4040227. The next prime is 4040233. The reversal of 4040229 is 9220404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4040229 - 2¹ = 4040227 is a prime.

It is a D-number.

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 (4040227) 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, 673369 + ... + 673374.

It is an arithmetic number, because the mean of its divisors is an integer number (1346744).

Almost surely, 2^4040229 is an apocalyptic number.

It is an amenable number.

4040229 is a deficient number, since it is larger than the sum of its proper divisors (1346747).

4040229 is a wasteful number, since it uses less digits than its factorization.

4040229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346746.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4040229 is about 2010.0320892961. The cubic root of 4040229 is about 159.2704940408.

The spelling of 4040229 in words is "four million, forty thousand, two hundred twenty-nine".