2217416 has 8 divisors (see below), whose sum is σ = 4157670. Its totient is φ = 1108704.

The previous prime is 2217409. The next prime is 2217421. The reversal of 2217416 is 6147122.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 894916 = 1150^2 + 946^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2217391 and 2217400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138581 + ... + 138596.

2^2217416 is an apocalyptic number.

It is an amenable number.

2217416 is a deficient number, since it is larger than the sum of its proper divisors (1940254).

2217416 is a wasteful number, since it uses less digits than its factorization.

2217416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277183 (or 277179 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 2217416 is about 1489.0990564768. The cubic root of 2217416 is about 130.4014415137.

The spelling of 2217416 in words is "two million, two hundred seventeen thousand, four hundred sixteen".