2078229 has 4 divisors (see below), whose sum is σ = 2770976. Its totient is φ = 1385484.

The previous prime is 2078221. The next prime is 2078243. The reversal of 2078229 is 9228702.

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 2078229 - 2³ = 2078221 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2078196 and 2078205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346369 + ... + 346374.

It is an arithmetic number, because the mean of its divisors is an integer number (692744).

2^2078229 is an apocalyptic number.

It is an amenable number.

2078229 is a deficient number, since it is larger than the sum of its proper divisors (692747).

2078229 is an equidigital number, since it uses as much as digits as its factorization.

2078229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692746.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2078229 is about 1441.6063956573. The cubic root of 2078229 is about 127.6138467955.

The spelling of 2078229 in words is "two million, seventy-eight thousand, two hundred twenty-nine".