2772473229 has 6 divisors (see below), whose sum is σ = 4004683566. Its totient is φ = 1848315480.

The previous prime is 2772473219. The next prime is 2772473239. The reversal of 2772473229 is 9223742772.

It is an interprime number because it is at equal distance from previous prime (2772473219) and next prime (2772473239).

It can be written as a sum of positive squares in only one way, i.e., 1594404900 + 1178068329 = 39930^2 + 34323^2 .

It is not a de Polignac number, because 2772473229 - 2⁴ = 2772473213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772473219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154026282 + ... + 154026299.

It is an arithmetic number, because the mean of its divisors is an integer number (667447261).

Almost surely, 2^2772473229 is an apocalyptic number.

It is an amenable number.

2772473229 is a deficient number, since it is larger than the sum of its proper divisors (1232210337).

2772473229 is a wasteful number, since it uses less digits than its factorization.

2772473229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308052587 (or 308052584 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 2772473229 is about 52654.2802533659. The cubic root of 2772473229 is about 1404.8257327034.

The spelling of 2772473229 in words is "two billion, seven hundred seventy-two million, four hundred seventy-three thousand, two hundred twenty-nine".