2773233 has 6 divisors (see below), whose sum is σ = 4005794. Its totient is φ = 1848816.

The previous prime is 2773231. The next prime is 2773237. The reversal of 2773233 is 3323772.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1411344 + 1361889 = 1188^2 + 1167^2 .

It is not a de Polignac number, because 2773233 - 2¹ = 2773231 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁵ + 7⁵ + 3⁴ + 2²¹ + 3¹⁰ + 3¹⁰ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2773197 and 2773206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154060 + ... + 154077.

2^2773233 is an apocalyptic number.

It is an amenable number.

2773233 is a deficient number, since it is larger than the sum of its proper divisors (1232561).

2773233 is a wasteful number, since it uses less digits than its factorization.

2773233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308143 (or 308140 counting only the distinct ones).

The product of its digits is 5292, while the sum is 27.

The square root of 2773233 is about 1665.3026751915. The cubic root of 2773233 is about 140.4954047542.

The spelling of 2773233 in words is "two million, seven hundred seventy-three thousand, two hundred thirty-three".