2255418 has 32 divisors (see below), whose sum is σ = 5469120. Its totient is φ = 683280.

The previous prime is 2255411. The next prime is 2255419. The reversal of 2255418 is 8145522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2255391 and 2255400.

It is not an unprimeable number, because it can be changed into a prime (2255411) 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, 1305 + ... + 2492.

It is an arithmetic number, because the mean of its divisors is an integer number (170910).

2^2255418 is an apocalyptic number.

2255418 is an abundant number, since it is smaller than the sum of its proper divisors (3213702).

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

2255418 is a wasteful number, since it uses less digits than its factorization.

2255418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819 (or 3813 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2255418 is about 1501.8049140950. The cubic root of 2255418 is about 131.1421644874.

The spelling of 2255418 in words is "two million, two hundred fifty-five thousand, four hundred eighteen".