2285388 has 48 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 652752.

The previous prime is 2285369. The next prime is 2285389. The reversal of 2285388 is 8835822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285389) 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, 756 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^2285388 is an apocalyptic number.

2285388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2285388 is an abundant number, since it is smaller than the sum of its proper divisors (4488372).

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

2285388 is a wasteful number, since it uses less digits than its factorization.

2285388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043 (or 3035 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 2285388 is about 1511.7499793286. The cubic root of 2285388 is about 131.7204829055.

It can be divided in two parts, 2 and 285388, that added together give a triangular number (285390 = T₇₅₅).

The spelling of 2285388 in words is "two million, two hundred eighty-five thousand, three hundred eighty-eight".