2198522 has 4 divisors (see below), whose sum is σ = 3297786. Its totient is φ = 1099260.

The previous prime is 2198513. The next prime is 2198527. The reversal of 2198522 is 2258912.

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., 1825201 + 373321 = 1351^2 + 611^2 .

It is not an unprimeable number, because it can be changed into a prime (2198527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549629 + ... + 549632.

2^2198522 is an apocalyptic number.

2198522 is a deficient number, since it is larger than the sum of its proper divisors (1099264).

2198522 is a wasteful number, since it uses less digits than its factorization.

2198522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099263.

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

The square root of 2198522 is about 1482.7413800120. The cubic root of 2198522 is about 130.0300127943.

The spelling of 2198522 in words is "two million, one hundred ninety-eight thousand, five hundred twenty-two".