2772241 has 8 divisors (see below), whose sum is σ = 2950344. Its totient is φ = 2595840.

The previous prime is 2772239. The next prime is 2772247. The reversal of 2772241 is 1422772.

It can be written as a sum of positive squares in 4 ways, for example, as 16641 + 2755600 = 129^2 + 1660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2772241 - 2¹ = 2772239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772247) 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, 5061 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (368793).

2^2772241 is an apocalyptic number.

It is an amenable number.

2772241 is a deficient number, since it is larger than the sum of its proper divisors (178103).

2772241 is a wasteful number, since it uses less digits than its factorization.

2772241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 1568, while the sum is 25.

The square root of 2772241 is about 1665.0048047979. The cubic root of 2772241 is about 140.4786507752.

The spelling of 2772241 in words is "two million, seven hundred seventy-two thousand, two hundred forty-one".