2278548 has 36 divisors (see below), whose sum is σ = 5809440. Its totient is φ = 752976.

The previous prime is 2278543. The next prime is 2278553. The reversal of 2278548 is 8458722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2278543) and next prime (2278553).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5823 + ... + 6201.

2^2278548 is an apocalyptic number.

It is an amenable number.

2278548 is an abundant number, since it is smaller than the sum of its proper divisors (3530892).

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

2278548 is a wasteful number, since it uses less digits than its factorization.

2278548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2278548 is about 1509.4860052349. The cubic root of 2278548 is about 131.5889416465.

The spelling of 2278548 in words is "two million, two hundred seventy-eight thousand, five hundred forty-eight".