2215748 has 12 divisors (see below), whose sum is σ = 3890880. Its totient is φ = 1104072.

The previous prime is 2215699. The next prime is 2215777. The reversal of 2215748 is 8475122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215748.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (324240).

2^2215748 is an apocalyptic number.

It is an amenable number.

2215748 is a deficient number, since it is larger than the sum of its proper divisors (1675132).

2215748 is a wasteful number, since it uses less digits than its factorization.

2215748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1904 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 2215748 is about 1488.5388809165. The cubic root of 2215748 is about 130.3687361536.

The spelling of 2215748 in words is "two million, two hundred fifteen thousand, seven hundred forty-eight".