2097220 has 24 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 794592.

The previous prime is 2097211. The next prime is 2097223. The reversal of 2097220 is 227902.

It is a d-powerful number, because it can be written as 2 + 0 + 9 + 7² + 2³ + 2²¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2097191 and 2097200.

It is not an unprimeable number, because it can be changed into a prime (2097223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380 + ... + 3139.

It is an arithmetic number, because the mean of its divisors is an integer number (193200).

2^2097220 is an apocalyptic number.

2097220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2097220 is an abundant number, since it is smaller than the sum of its proper divisors (2539580).

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

2097220 is a wasteful number, since it uses less digits than its factorization.

2097220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2097220 is about 1448.1781658346. The cubic root of 2097220 is about 128.0013834486.

The spelling of 2097220 in words is "two million, ninety-seven thousand, two hundred twenty".