2240429 has 4 divisors (see below), whose sum is σ = 2292576. Its totient is φ = 2188284.

The previous prime is 2240389. The next prime is 2240431. The reversal of 2240429 is 9240422.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240449) 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, 26009 + ... + 26094.

It is an arithmetic number, because the mean of its divisors is an integer number (573144).

2^2240429 is an apocalyptic number.

It is an amenable number.

2240429 is a deficient number, since it is larger than the sum of its proper divisors (52147).

2240429 is an equidigital number, since it uses as much as digits as its factorization.

2240429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52146.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2240429 is about 1496.8062666892. The cubic root of 2240429 is about 130.8510047758.

The spelling of 2240429 in words is "two million, two hundred forty thousand, four hundred twenty-nine".