2293220 has 12 divisors (see below), whose sum is σ = 4815804. Its totient is φ = 917280.

The previous prime is 2293219. The next prime is 2293231. The reversal of 2293220 is 223922.

It can be written as a sum of positive squares in 2 ways, for example, as 872356 + 1420864 = 934^2 + 1192^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 114661 = 2293220 / (2 + 2 + 9 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2293192 and 2293201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57311 + ... + 57350.

It is an arithmetic number, because the mean of its divisors is an integer number (401317).

2^2293220 is an apocalyptic number.

2293220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2293220 is an abundant number, since it is smaller than the sum of its proper divisors (2522584).

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

2293220 is a wasteful number, since it uses less digits than its factorization.

2293220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114670 (or 114668 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2293220 is about 1514.3381392542. The cubic root of 2293220 is about 131.8707795719.

The spelling of 2293220 in words is "two million, two hundred ninety-three thousand, two hundred twenty".