2272729775 has 12 divisors (see below), whose sum is σ = 2846090904. Its totient is φ = 1800180000.

The previous prime is 2272729769. The next prime is 2272729793. The reversal of 2272729775 is 5779272722.

It is not a de Polignac number, because 2272729775 - 2⁸ = 2272729519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 447521 + ... + 452570.

It is an arithmetic number, because the mean of its divisors is an integer number (237174242).

Almost surely, 2^2272729775 is an apocalyptic number.

2272729775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2272729775 is a deficient number, since it is larger than the sum of its proper divisors (573361129).

2272729775 is a wasteful number, since it uses less digits than its factorization.

2272729775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900202 (or 900197 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 50.

The square root of 2272729775 is about 47673.1557063302. The cubic root of 2272729775 is about 1314.7684296843.

The spelling of 2272729775 in words is "two billion, two hundred seventy-two million, seven hundred twenty-nine thousand, seven hundred seventy-five".