2268920 has 32 divisors (see below), whose sum is σ = 5155920. Its totient is φ = 898560.

The previous prime is 2268919. The next prime is 2268941. The reversal of 2268920 is 298622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5024 + ... + 5456.

2^2268920 is an apocalyptic number.

2268920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2268920 is an abundant number, since it is smaller than the sum of its proper divisors (2887000).

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

2268920 is a wasteful number, since it uses less digits than its factorization.

2268920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2268920 is about 1506.2934641032. The cubic root of 2268920 is about 131.4033370402.

The spelling of 2268920 in words is "two million, two hundred sixty-eight thousand, nine hundred twenty".