2252378 has 4 divisors (see below), whose sum is σ = 3378570. Its totient is φ = 1126188.

The previous prime is 2252359. The next prime is 2252387. The reversal of 2252378 is 8732522.

2252378 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.

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 41209 = 1487^2 + 203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2252378.

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, 563093 + ... + 563096.

2^2252378 is an apocalyptic number.

2252378 is a deficient number, since it is larger than the sum of its proper divisors (1126192).

2252378 is a wasteful number, since it uses less digits than its factorization.

2252378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126191.

The product of its digits is 6720, while the sum is 29.

The square root of 2252378 is about 1500.7924573371. The cubic root of 2252378 is about 131.0832173310.

The spelling of 2252378 in words is "two million, two hundred fifty-two thousand, three hundred seventy-eight".