2272749775 has 6 divisors (see below), whose sum is σ = 2818209752. Its totient is φ = 1818199800.

The previous prime is 2272749767. The next prime is 2272749781. The reversal of 2272749775 is 5779472722.

It is not a de Polignac number, because 2272749775 - 2³ = 2272749767 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 5 ways as a sum of consecutive naturals, for example, 45454971 + ... + 45455020.

Almost surely, 2^2272749775 is an apocalyptic number.

2272749775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2272749775 is a deficient number, since it is larger than the sum of its proper divisors (545459977).

2272749775 is an equidigital number, since it uses as much as digits as its factorization.

2272749775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90910001 (or 90909996 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 52.

The square root of 2272749775 is about 47673.3654675228. The cubic root of 2272749775 is about 1314.7722863228.

The spelling of 2272749775 in words is "two billion, two hundred seventy-two million, seven hundred forty-nine thousand, seven hundred seventy-five".