2229129 has 24 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 1241280.

The previous prime is 2229121. The next prime is 2229133. The reversal of 2229129 is 9219222.

It is not a de Polignac number, because 2229129 - 2³ = 2229121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229121) 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 23 ways as a sum of consecutive naturals, for example, 2152 + ... + 3014.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2^2229129 is an apocalyptic number.

It is an amenable number.

2229129 is a deficient number, since it is larger than the sum of its proper divisors (1544823).

2229129 is a wasteful number, since it uses less digits than its factorization.

2229129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 914 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2229129 is about 1493.0267914542. The cubic root of 2229129 is about 130.6306438195.

The spelling of 2229129 in words is "two million, two hundred twenty-nine thousand, one hundred twenty-nine".