2206520 has 16 divisors (see below), whose sum is σ = 4964760. Its totient is φ = 882592.

The previous prime is 2206517. The next prime is 2206543. The reversal of 2206520 is 256022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27542 + ... + 27621.

2^2206520 is an apocalyptic number.

2206520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206520 is an abundant number, since it is smaller than the sum of its proper divisors (2758240).

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

2206520 is a wasteful number, since it uses less digits than its factorization.

2206520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55174 (or 55170 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2206520 is about 1485.4359629415. The cubic root of 2206520 is about 130.1875006386.

The spelling of 2206520 in words is "two million, two hundred six thousand, five hundred twenty".