2189522 has 16 divisors (see below), whose sum is σ = 3488640. Its totient is φ = 1027728.

The previous prime is 2189521. The next prime is 2189533. The reversal of 2189522 is 2259812.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2189521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5783 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (218040).

2^2189522 is an apocalyptic number.

2189522 is a deficient number, since it is larger than the sum of its proper divisors (1299118).

2189522 is a wasteful number, since it uses less digits than its factorization.

2189522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 2880, while the sum is 29.

The square root of 2189522 is about 1479.7033486480. The cubic root of 2189522 is about 129.8523372692.

The spelling of 2189522 in words is "two million, one hundred eighty-nine thousand, five hundred twenty-two".