2254440 has 32 divisors (see below), whose sum is σ = 6763680. Its totient is φ = 601152.

The previous prime is 2254411. The next prime is 2254451. The reversal of 2254440 is 444522.

2254440 = T₁₀₀ + T₁₀₁ + ... + T₂₄₃.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9274 + ... + 9513.

It is an arithmetic number, because the mean of its divisors is an integer number (211365).

2^2254440 is an apocalyptic number.

2254440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254440 is an abundant number, since it is smaller than the sum of its proper divisors (4509240).

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

2254440 is a wasteful number, since it uses less digits than its factorization.

2254440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18801 (or 18797 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2254440 is about 1501.4792705862. The cubic root of 2254440 is about 131.1232063490.

Adding to 2254440 its reverse (444522), we get a palindrome (2698962).

The spelling of 2254440 in words is "two million, two hundred fifty-four thousand, four hundred forty".