2198088 has 24 divisors (see below), whose sum is σ = 5953350. Its totient is φ = 732672.

The previous prime is 2198057. The next prime is 2198093. The reversal of 2198088 is 8808912.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 1764 = 1482^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15193 + ... + 15336.

2^2198088 is an apocalyptic number.

It is an amenable number.

2198088 is an abundant number, since it is smaller than the sum of its proper divisors (3755262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198088 is a wasteful number, since it uses less digits than its factorization.

2198088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30541 (or 30534 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2198088 is about 1482.5950222498. The cubic root of 2198088 is about 130.0214560246.

The spelling of 2198088 in words is "two million, one hundred ninety-eight thousand, eighty-eight".