2770213 has 4 divisors (see below), whose sum is σ = 2782540. Its totient is φ = 2757888.

The previous prime is 2770211. The next prime is 2770217. The reversal of 2770213 is 3120772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 1520289 = 1118^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2770213 - 2¹ = 2770211 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 5820 + ... + 6277.

It is an arithmetic number, because the mean of its divisors is an integer number (695635).

2^2770213 is an apocalyptic number.

It is an amenable number.

2770213 is a deficient number, since it is larger than the sum of its proper divisors (12327).

2770213 is a wasteful number, since it uses less digits than its factorization.

2770213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12326.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 2770213 is about 1664.3956861276. The cubic root of 2770213 is about 140.4443872556. Note that the first 3 decimals are identical.

Adding to 2770213 its reverse (3120772), we get a palindrome (5890985).

The spelling of 2770213 in words is "two million, seven hundred seventy thousand, two hundred thirteen".