2229842 has 8 divisors (see below), whose sum is σ = 3435276. Its totient is φ = 1084752.

The previous prime is 2229833. The next prime is 2229853. The reversal of 2229842 is 2489222.

It can be written as a sum of positive squares in 2 ways, for example, as 2193361 + 36481 = 1481^2 + 191^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 14993 + ... + 15140.

2^2229842 is an apocalyptic number.

2229842 is a deficient number, since it is larger than the sum of its proper divisors (1205434).

2229842 is a wasteful number, since it uses less digits than its factorization.

2229842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30172.

The product of its digits is 4608, while the sum is 29.

The square root of 2229842 is about 1493.2655490568. The cubic root of 2229842 is about 130.6445699944.

It can be divided in two parts, 2 and 229842, that multiplied together give a square (459684 = 678²).

The spelling of 2229842 in words is "two million, two hundred twenty-nine thousand, eight hundred forty-two".