2159229 has 8 divisors (see below), whose sum is σ = 2911680. Its totient is φ = 1423136.

The previous prime is 2159207. The next prime is 2159231. The reversal of 2159229 is 9229512.

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

It is a cyclic number.

It is not a de Polignac number, because 2159229 - 2⁵ = 2159197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2159196 and 2159205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159239) 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, 3777 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (363960).

2^2159229 is an apocalyptic number.

It is an amenable number.

2159229 is a deficient number, since it is larger than the sum of its proper divisors (752451).

2159229 is an equidigital number, since it uses as much as digits as its factorization.

2159229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179.

The product of its digits is 3240, while the sum is 30.

The square root of 2159229 is about 1469.4315227325. The cubic root of 2159229 is about 129.2506993017.

The spelling of 2159229 in words is "two million, one hundred fifty-nine thousand, two hundred twenty-nine".