2229771 has 8 divisors (see below), whose sum is σ = 3147984. Its totient is φ = 1399040.

The previous prime is 2229769. The next prime is 2229779. The reversal of 2229771 is 1779222.

It is a happy number.

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 2229771 - 2¹ = 2229769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2229779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21810 + ... + 21911.

It is an arithmetic number, because the mean of its divisors is an integer number (393498).

2^2229771 is an apocalyptic number.

2229771 is a deficient number, since it is larger than the sum of its proper divisors (918213).

2229771 is a wasteful number, since it uses less digits than its factorization.

2229771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43741.

The product of its digits is 3528, while the sum is 30.

The square root of 2229771 is about 1493.2417754671. The cubic root of 2229771 is about 130.6431833695.

The spelling of 2229771 in words is "two million, two hundred twenty-nine thousand, seven hundred seventy-one".