2216773 has 8 divisors (see below), whose sum is σ = 2403800. Its totient is φ = 2044224.

The previous prime is 2216761. The next prime is 2216777. The reversal of 2216773 is 3776122.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 1329409 = 942^2 + 1153^2 .

It is not a de Polignac number, because 2216773 - 2¹³ = 2208581 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (300475).

2^2216773 is an apocalyptic number.

It is an amenable number.

2216773 is a deficient number, since it is larger than the sum of its proper divisors (187027).

2216773 is an equidigital number, since it uses as much as digits as its factorization.

2216773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1022 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 2216773 is about 1488.8831384632. The cubic root of 2216773 is about 130.3888358151.

The spelling of 2216773 in words is "two million, two hundred sixteen thousand, seven hundred seventy-three".