2197648 has 10 divisors (see below), whose sum is σ = 4257974. Its totient is φ = 1098816.

The previous prime is 2197633. The next prime is 2197651. The reversal of 2197648 is 8467912.

It can be written as a sum of positive squares in only one way, i.e., 1607824 + 589824 = 1268^2 + 768^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68661 + ... + 68692.

2^2197648 is an apocalyptic number.

It is an amenable number.

2197648 is a deficient number, since it is larger than the sum of its proper divisors (2060326).

2197648 is a wasteful number, since it uses less digits than its factorization.

2197648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137361 (or 137355 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 2197648 is about 1482.4466263579. The cubic root of 2197648 is about 130.0127798087.

The spelling of 2197648 in words is "two million, one hundred ninety-seven thousand, six hundred forty-eight".