2122229 has 8 divisors (see below), whose sum is σ = 2320128. Its totient is φ = 1932480.

The previous prime is 2122213. The next prime is 2122231. The reversal of 2122229 is 9222212.

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 2122229 - 2⁴ = 2122213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122259) 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, 1487 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (290016).

2^2122229 is an apocalyptic number.

It is an amenable number.

2122229 is a deficient number, since it is larger than the sum of its proper divisors (197899).

2122229 is a wasteful number, since it uses less digits than its factorization.

2122229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075.

The product of its digits is 288, while the sum is 20.

The square root of 2122229 is about 1456.7872185052. The cubic root of 2122229 is about 128.5081727051.

The spelling of 2122229 in words is "two million, one hundred twenty-two thousand, two hundred twenty-nine".