2252478 has 8 divisors (see below), whose sum is σ = 4504968. Its totient is φ = 750824.

The previous prime is 2252477. The next prime is 2252489. The reversal of 2252478 is 8742522.

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

2252478 is an admirable number.

It is a d-powerful number, because it can be written as 2 + 2¹⁴ + 5⁹ + 2¹⁸ + 4⁷ + 7³ + 8⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252477) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 187701 + ... + 187712.

It is an arithmetic number, because the mean of its divisors is an integer number (563121).

2^2252478 is an apocalyptic number.

2252478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2252478 is a wasteful number, since it uses less digits than its factorization.

2252478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375418.

The product of its digits is 8960, while the sum is 30.

The square root of 2252478 is about 1500.8257726998. The cubic root of 2252478 is about 131.0851572256.

The spelling of 2252478 in words is "two million, two hundred fifty-two thousand, four hundred seventy-eight".