2241858 has 32 divisors (see below), whose sum is σ = 4907520. Its totient is φ = 679680.

The previous prime is 2241851. The next prime is 2241881. The reversal of 2241858 is 8581422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2808 + ... + 3516.

It is an arithmetic number, because the mean of its divisors is an integer number (153360).

2^2241858 is an apocalyptic number.

2241858 is an abundant number, since it is smaller than the sum of its proper divisors (2665662).

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

2241858 is a wasteful number, since it uses less digits than its factorization.

2241858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its digits is 5120, while the sum is 30.

The square root of 2241858 is about 1497.2835402822. The cubic root of 2241858 is about 130.8788188455.

It can be divided in two parts, 2 and 241858, that added together give a triangular number (241860 = T₆₉₅).

The spelling of 2241858 in words is "two million, two hundred forty-one thousand, eight hundred fifty-eight".