2221929275 has 6 divisors (see below), whose sum is σ = 2755192332. Its totient is φ = 1777543400.

The previous prime is 2221929263. The next prime is 2221929289. The reversal of 2221929275 is 5729291222.

It is not a de Polignac number, because 2221929275 - 2¹² = 2221925179 is a prime.

It is a Duffinian 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, 44438561 + ... + 44438610.

It is an arithmetic number, because the mean of its divisors is an integer number (459198722).

Almost surely, 2^2221929275 is an apocalyptic number.

2221929275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2221929275 is a deficient number, since it is larger than the sum of its proper divisors (533263057).

2221929275 is an equidigital number, since it uses as much as digits as its factorization.

2221929275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88877181 (or 88877176 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 2221929275 is about 47137.3448021842. The cubic root of 2221929275 is about 1304.8985353896.

The spelling of 2221929275 in words is "two billion, two hundred twenty-one million, nine hundred twenty-nine thousand, two hundred seventy-five".