2278382 has 4 divisors (see below), whose sum is σ = 3417576. Its totient is φ = 1139190.

The previous prime is 2278379. The next prime is 2278421. The reversal of 2278382 is 2838722.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569594 + ... + 569597.

It is an arithmetic number, because the mean of its divisors is an integer number (854394).

2^2278382 is an apocalyptic number.

2278382 is a deficient number, since it is larger than the sum of its proper divisors (1139194).

2278382 is a wasteful number, since it uses less digits than its factorization.

2278382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139193.

The product of its digits is 10752, while the sum is 32.

The square root of 2278382 is about 1509.4310186292. The cubic root of 2278382 is about 131.5857460010.

The spelling of 2278382 in words is "two million, two hundred seventy-eight thousand, three hundred eighty-two".