2229642 has 24 divisors (see below), whose sum is σ = 4884516. Its totient is φ = 734976.

The previous prime is 2229599. The next prime is 2229653. The reversal of 2229642 is 2469222.

It can be written as a sum of positive squares in 2 ways, for example, as 2223081 + 6561 = 1491^2 + 81^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1108 + ... + 2384.

2^2229642 is an apocalyptic number.

2229642 is an abundant number, since it is smaller than the sum of its proper divisors (2654874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2229642 is a wasteful number, since it uses less digits than its factorization.

2229642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1379 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2229642 is about 1493.1985802297. The cubic root of 2229642 is about 130.6406639336.

The spelling of 2229642 in words is "two million, two hundred twenty-nine thousand, six hundred forty-two".