2772232045 has 16 divisors (see below), whose sum is σ = 3697581312. Its totient is φ = 1978125760.

The previous prime is 2772232039. The next prime is 2772232049. The reversal of 2772232045 is 5402322772.

It is not a de Polignac number, because 2772232045 - 2³ = 2772232037 is a prime.

It is a super-2 number, since 2×2772232045² = 15370541022649764050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2772232045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772232049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472597 + ... + 478426.

It is an arithmetic number, because the mean of its divisors is an integer number (231098832).

Almost surely, 2^2772232045 is an apocalyptic number.

It is an amenable number.

2772232045 is a deficient number, since it is larger than the sum of its proper divisors (925349267).

2772232045 is a wasteful number, since it uses less digits than its factorization.

2772232045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951092.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 2772232045 is about 52651.9899434010. The cubic root of 2772232045 is about 1404.7849951517.

It can be divided in two parts, 277 and 2232045, that added together give a palindrome (2232322).

The spelling of 2772232045 in words is "two billion, seven hundred seventy-two million, two hundred thirty-two thousand, forty-five".