2115226775 has 24 divisors (see below), whose sum is σ = 2819700480. Its totient is φ = 1568993760.

The previous prime is 2115226753. The next prime is 2115226781. The reversal of 2115226775 is 5776225112.

It is not a de Polignac number, because 2115226775 - 2²⁴ = 2098449559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25049 + ... + 69698.

It is an arithmetic number, because the mean of its divisors is an integer number (117487520).

Almost surely, 2^2115226775 is an apocalyptic number.

2115226775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2115226775 is a deficient number, since it is larger than the sum of its proper divisors (704473705).

2115226775 is a wasteful number, since it uses less digits than its factorization.

2115226775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94823 (or 94818 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 2115226775 is about 45991.5946124941. The cubic root of 2115226775 is about 1283.6668080748. Note that the first 3 decimals are identical.

The spelling of 2115226775 in words is "two billion, one hundred fifteen million, two hundred twenty-six thousand, seven hundred seventy-five".