2442278 has 8 divisors (see below), whose sum is σ = 3822768. Its totient is φ = 1168024.

The previous prime is 2442263. The next prime is 2442287. The reversal of 2442278 is 8722442.

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

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2442278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26501 + ... + 26592.

It is an arithmetic number, because the mean of its divisors is an integer number (477846).

2^2442278 is an apocalyptic number.

2442278 is a deficient number, since it is larger than the sum of its proper divisors (1380490).

2442278 is a wasteful number, since it uses less digits than its factorization.

2442278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53118.

The product of its digits is 7168, while the sum is 29.

The square root of 2442278 is about 1562.7789351025. The cubic root of 2442278 is about 134.6681929159.

It can be divided in two parts, 2442 and 278, that multiplied together give a palindrome (678876).

The spelling of 2442278 in words is "two million, four hundred forty-two thousand, two hundred seventy-eight".