2247858 has 16 divisors (see below), whose sum is σ = 4995360. Its totient is φ = 749268.

The previous prime is 2247857. The next prime is 2247881. The reversal of 2247858 is 8587422.

It is a happy number.

It is a d-powerful number, because it can be written as 2²⁰ + 2²⁰ + 4⁴ + 7⁶ + 8 + 5² + 8⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2247851) 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, 20760 + ... + 20867.

It is an arithmetic number, because the mean of its divisors is an integer number (312210).

2^2247858 is an apocalyptic number.

2247858 is an abundant number, since it is smaller than the sum of its proper divisors (2747502).

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

2247858 is a wasteful number, since it uses less digits than its factorization.

2247858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41638 (or 41632 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2247858 is about 1499.2858299871. The cubic root of 2247858 is about 130.9954740778.

The spelling of 2247858 in words is "two million, two hundred forty-seven thousand, eight hundred fifty-eight".