2065522 has 8 divisors (see below), whose sum is σ = 3105900. Its totient is φ = 1030224.

The previous prime is 2065501. The next prime is 2065523. The reversal of 2065522 is 2255602.

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 505521 = 1249^2 + 711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2065522² = 8532762264968, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁴ + 0 + 6⁶ + 5³ + 5⁹ + 2⁶ + 2¹⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2065493 and 2065502.

It is not an unprimeable number, because it can be changed into a prime (2065523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4 + ... + 2032.

2^2065522 is an apocalyptic number.

2065522 is a deficient number, since it is larger than the sum of its proper divisors (1040378).

2065522 is a wasteful number, since it uses less digits than its factorization.

2065522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

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

The square root of 2065522 is about 1437.1924018725. The cubic root of 2065522 is about 127.3532233822.

The spelling of 2065522 in words is "two million, sixty-five thousand, five hundred twenty-two".