2241778 has 16 divisors (see below), whose sum is σ = 4192704. Its totient is φ = 873360.

The previous prime is 2241751. The next prime is 2241779. The reversal of 2241778 is 8771422.

It is not an unprimeable number, because it can be changed into a prime (2241779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7125 + ... + 7432.

It is an arithmetic number, because the mean of its divisors is an integer number (262044).

2^2241778 is an apocalyptic number.

2241778 is a deficient number, since it is larger than the sum of its proper divisors (1950926).

2241778 is a wasteful number, since it uses less digits than its factorization.

2241778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14577.

The product of its digits is 6272, while the sum is 31.

The square root of 2241778 is about 1497.2568249970. The cubic root of 2241778 is about 130.8772620371.

It can be divided in two parts, 224 and 1778, that added together give a palindrome (2002).

The spelling of 2241778 in words is "two million, two hundred forty-one thousand, seven hundred seventy-eight".