2285455 has 4 divisors (see below), whose sum is σ = 2742552. Its totient is φ = 1828360.

The previous prime is 2285447. The next prime is 2285473. The reversal of 2285455 is 5545822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2285455 - 2³ = 2285447 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

2285455 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228541 + ... + 228550.

It is an arithmetic number, because the mean of its divisors is an integer number (685638).

2^2285455 is an apocalyptic number.

2285455 is a deficient number, since it is larger than the sum of its proper divisors (457097).

2285455 is an equidigital number, since it uses as much as digits as its factorization.

2285455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457096.

The product of its digits is 16000, while the sum is 31.

The square root of 2285455 is about 1511.7721389151. The cubic root of 2285455 is about 131.7217700955.

The spelling of 2285455 in words is "two million, two hundred eighty-five thousand, four hundred fifty-five".