1440229 has 8 divisors (see below), whose sum is σ = 1699328. Its totient is φ = 1194480.

The previous prime is 1440211. The next prime is 1440233. The reversal of 1440229 is 9220441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1440229 - 2⁹ = 1439717 is a prime.

It is a Duffinian number.

1440229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440209) 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, 3102 + ... + 3535.

It is an arithmetic number, because the mean of its divisors is an integer number (212416).

2^1440229 is an apocalyptic number.

It is an amenable number.

1440229 is a deficient number, since it is larger than the sum of its proper divisors (259099).

1440229 is an equidigital number, since it uses as much as digits as its factorization.

1440229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1440229 is about 1200.0954128735. The cubic root of 1440229 is about 112.9303091832.

The spelling of 1440229 in words is "one million, four hundred forty thousand, two hundred twenty-nine".