22271090225 has 12 divisors (see below), whose sum is σ = 27646627824. Its totient is φ = 17797210320.

The previous prime is 22271090213. The next prime is 22271090239. The reversal of 22271090225 is 52209017222.

It is a happy number.

It is not a de Polignac number, because 22271090225 - 2³⁴ = 5091221041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22271090191 and 22271090200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468419 + ... + 513768.

It is an arithmetic number, because the mean of its divisors is an integer number (2303885652).

Almost surely, 2^22271090225 is an apocalyptic number.

22271090225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22271090225 is a deficient number, since it is larger than the sum of its proper divisors (5375537599).

22271090225 is an equidigital number, since it uses as much as digits as its factorization.

22271090225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983104 (or 983099 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 22271090225 in words is "twenty-two billion, two hundred seventy-one million, ninety thousand, two hundred twenty-five".