2770216 has 8 divisors (see below), whose sum is σ = 5194170. Its totient is φ = 1385104.

The previous prime is 2770211. The next prime is 2770217. The reversal of 2770216 is 6120772.

It can be written as a sum of positive squares in only one way, i.e., 2114116 + 656100 = 1454^2 + 810^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2770211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173131 + ... + 173146.

2^2770216 is an apocalyptic number.

It is an amenable number.

2770216 is a deficient number, since it is larger than the sum of its proper divisors (2423954).

2770216 is a wasteful number, since it uses less digits than its factorization.

2770216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346283 (or 346279 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 2770216 is about 1664.3965873553. The cubic root of 2770216 is about 140.4444379536. Note that the first 4 decimals are identical.

Adding to 2770216 its reverse (6120772), we get a palindrome (8890988).

The spelling of 2770216 in words is "two million, seven hundred seventy thousand, two hundred sixteen".