2199748 has 6 divisors (see below), whose sum is σ = 3849566. Its totient is φ = 1099872.

The previous prime is 2199739. The next prime is 2199781. The reversal of 2199748 is 8479912.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 73984 = 1458^2 + 272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2199748.

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 as a sum of consecutive naturals, namely, 274965 + ... + 274972.

2^2199748 is an apocalyptic number.

It is an amenable number.

2199748 is a deficient number, since it is larger than the sum of its proper divisors (1649818).

2199748 is a wasteful number, since it uses less digits than its factorization.

2199748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549941 (or 549939 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 2199748 is about 1483.1547458037. The cubic root of 2199748 is about 130.0541786009.

The spelling of 2199748 in words is "two million, one hundred ninety-nine thousand, seven hundred forty-eight".