2230920 has 48 divisors (see below), whose sum is σ = 7251660. Its totient is φ = 594816.

The previous prime is 2230873. The next prime is 2230939. The reversal of 2230920 is 290322.

2230920 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2196324 + 34596 = 1482^2 + 186^2 .

It is a super-3 number, since 3×2230920³ = 33309893601584064000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2230893 and 2230902.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2739 + ... + 3458.

2^2230920 is an apocalyptic number.

2230920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230920 is an abundant number, since it is smaller than the sum of its proper divisors (5020740).

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

2230920 is a wasteful number, since it uses less digits than its factorization.

2230920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214 (or 6207 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2230920 is about 1493.6264593264. The cubic root of 2230920 is about 130.6656196408.

The spelling of 2230920 in words is "two million, two hundred thirty thousand, nine hundred twenty".