2240454 has 16 divisors (see below), whose sum is σ = 4498992. Its totient is φ = 743808.

The previous prime is 2240449. The next prime is 2240471. The reversal of 2240454 is 4540422.

2240454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2240454² = 10039268252232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240454.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1282 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (281187).

2^2240454 is an apocalyptic number.

2240454 is an abundant number, since it is smaller than the sum of its proper divisors (2258538).

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

2240454 is a wasteful number, since it uses less digits than its factorization.

2240454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

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

The square root of 2240454 is about 1496.8146177800. The cubic root of 2240454 is about 130.8514914777.

Adding to 2240454 its reverse (4540422), we get a palindrome (6780876).

Subtracting 2240454 from its reverse (4540422), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 22 and 40454, that multiplied together give a palindrome (889988).

The spelling of 2240454 in words is "two million, two hundred forty thousand, four hundred fifty-four".