2198488 has 8 divisors (see below), whose sum is σ = 4122180. Its totient is φ = 1099240.

The previous prime is 2198477. The next prime is 2198507. The reversal of 2198488 is 8848912.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2198488² = 9666698972288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2198488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137398 + ... + 137413.

2^2198488 is an apocalyptic number.

It is an amenable number.

2198488 is a deficient number, since it is larger than the sum of its proper divisors (1923692).

2198488 is a wasteful number, since it uses less digits than its factorization.

2198488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274817 (or 274813 counting only the distinct ones).

The product of its digits is 36864, while the sum is 40.

The square root of 2198488 is about 1482.7299147181. The cubic root of 2198488 is about 130.0293424890.

The spelling of 2198488 in words is "two million, one hundred ninety-eight thousand, four hundred eighty-eight".