2684522 has 4 divisors (see below), whose sum is σ = 4026786. Its totient is φ = 1342260.

The previous prime is 2684509. The next prime is 2684527. The reversal of 2684522 is 2254862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 579121 = 1451^2 + 761^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2684527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671129 + ... + 671132.

2^2684522 is an apocalyptic number.

2684522 is a deficient number, since it is larger than the sum of its proper divisors (1342264).

2684522 is a wasteful number, since it uses less digits than its factorization.

2684522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342263.

The product of its digits is 7680, while the sum is 29.

The square root of 2684522 is about 1638.4510978360. The cubic root of 2684522 is about 138.9810715560.

It can be divided in two parts, 26 and 84522, that added together give a palindrome (84548).

The spelling of 2684522 in words is "two million, six hundred eighty-four thousand, five hundred twenty-two".