22747747775 has 6 divisors (see below), whose sum is σ = 28207207272. Its totient is φ = 18198198200.

The previous prime is 22747747733. The next prime is 22747747801. The reversal of 22747747775 is 57774774722.

It is a de Polignac number, because none of the positive numbers 2^k-22747747775 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 (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454954931 + ... + 454954980.

It is an arithmetic number, because the mean of its divisors is an integer number (4701201212).

Almost surely, 2^22747747775 is an apocalyptic number.

22747747775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22747747775 is a deficient number, since it is larger than the sum of its proper divisors (5459459497).

22747747775 is an equidigital number, since it uses as much as digits as its factorization.

22747747775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909909921 (or 909909916 counting only the distinct ones).

The product of its digits is 37647680, while the sum is 59.

The spelling of 22747747775 in words is "twenty-two billion, seven hundred forty-seven million, seven hundred forty-seven thousand, seven hundred seventy-five".