2206525 has 6 divisors (see below), whose sum is σ = 2736122. Its totient is φ = 1765200.

The previous prime is 2206517. The next prime is 2206543. The reversal of 2206525 is 5256022.

2206525 = 285² + 286² + ... + 309².

It can be written as a sum of positive squares in 3 ways, for example, as 10201 + 2196324 = 101^2 + 1482^2 .

It is not a de Polignac number, because 2206525 - 2³ = 2206517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2206496 and 2206505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44106 + ... + 44155.

2^2206525 is an apocalyptic number.

2206525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2206525 is a deficient number, since it is larger than the sum of its proper divisors (529597).

2206525 is an equidigital number, since it uses as much as digits as its factorization.

2206525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88271 (or 88266 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2206525 is about 1485.4376459482. The cubic root of 2206525 is about 130.1875989740.

The spelling of 2206525 in words is "two million, two hundred six thousand, five hundred twenty-five".