2164522 has 8 divisors (see below), whose sum is σ = 3276900. Its totient is φ = 1072224.

The previous prime is 2164511. The next prime is 2164529. The reversal of 2164522 is 2254612.

It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 6561 = 1469^2 + 81^2 .

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

It is a d-powerful number, because it can be written as 2⁸ + 1 + 6⁴ + 4⁴ + 5² + 2¹⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2164493 and 2164502.

It is not an unprimeable number, because it can be changed into a prime (2164529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747 + ... + 5182.

2^2164522 is an apocalyptic number.

2164522 is a deficient number, since it is larger than the sum of its proper divisors (1112378).

2164522 is a wasteful number, since it uses less digits than its factorization.

2164522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040.

The product of its digits is 960, while the sum is 22.

The square root of 2164522 is about 1471.2314569775. The cubic root of 2164522 is about 129.3562255034.

The spelling of 2164522 in words is "two million, one hundred sixty-four thousand, five hundred twenty-two".