2244142 has 4 divisors (see below), whose sum is σ = 3366216. Its totient is φ = 1122070.

The previous prime is 2244139. The next prime is 2244157. The reversal of 2244142 is 2414422.

2244142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2414422 = 2 ⋅1207211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561034 + ... + 561037.

It is an arithmetic number, because the mean of its divisors is an integer number (841554).

2^2244142 is an apocalyptic number.

2244142 is a deficient number, since it is larger than the sum of its proper divisors (1122074).

2244142 is a wasteful number, since it uses less digits than its factorization.

2244142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122073.

The product of its digits is 512, while the sum is 19.

The square root of 2244142 is about 1498.0460607071. The cubic root of 2244142 is about 130.9232501111.

Adding to 2244142 its reverse (2414422), we get a palindrome (4658564).

The spelling of 2244142 in words is "two million, two hundred forty-four thousand, one hundred forty-two".