2113522 has 8 divisors (see below), whose sum is σ = 3337200. Its totient is φ = 1001124.

The previous prime is 2113513. The next prime is 2113523. The reversal of 2113522 is 2253112.

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

It is a junction number, because it is equal to n+sod(n) for n = 2113496 and 2113505.

It is not an unprimeable number, because it can be changed into a prime (2113523) 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, 27772 + ... + 27847.

It is an arithmetic number, because the mean of its divisors is an integer number (417150).

2^2113522 is an apocalyptic number.

2113522 is a deficient number, since it is larger than the sum of its proper divisors (1223678).

2113522 is a wasteful number, since it uses less digits than its factorization.

2113522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55640.

The product of its digits is 120, while the sum is 16.

The square root of 2113522 is about 1453.7957215510. The cubic root of 2113522 is about 128.3321856684.

Adding to 2113522 its reverse (2253112), we get a palindrome (4366634).

The spelling of 2113522 in words is "two million, one hundred thirteen thousand, five hundred twenty-two".