2254478 has 4 divisors (see below), whose sum is σ = 3381720. Its totient is φ = 1127238.

The previous prime is 2254477. The next prime is 2254493. The reversal of 2254478 is 8744522.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹³ + 5⁷ + 4⁵ + 4⁸ + 7⁴ + 8⁷ .

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563618 + ... + 563621.

It is an arithmetic number, because the mean of its divisors is an integer number (845430).

2^2254478 is an apocalyptic number.

2254478 is a deficient number, since it is larger than the sum of its proper divisors (1127242).

2254478 is a wasteful number, since it uses less digits than its factorization.

2254478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127241.

The product of its digits is 17920, while the sum is 32.

The square root of 2254478 is about 1501.4919247202. The cubic root of 2254478 is about 131.1239430662.

It can be divided in two parts, 22544 and 78, that added together give a palindrome (22622).

The spelling of 2254478 in words is "two million, two hundred fifty-four thousand, four hundred seventy-eight".