2442238 has 4 divisors (see below), whose sum is σ = 3663360. Its totient is φ = 1221118.

The previous prime is 2442227. The next prime is 2442263. The reversal of 2442238 is 8322442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8322442 = 2 ⋅4161221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610558 + ... + 610561.

It is an arithmetic number, because the mean of its divisors is an integer number (915840).

2^2442238 is an apocalyptic number.

2442238 is a deficient number, since it is larger than the sum of its proper divisors (1221122).

2442238 is a wasteful number, since it uses less digits than its factorization.

2442238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221121.

The product of its digits is 3072, while the sum is 25.

The square root of 2442238 is about 1562.7661373347. The cubic root of 2442238 is about 134.6674577065.

The spelling of 2442238 in words is "two million, four hundred forty-two thousand, two hundred thirty-eight".