22075571225 has 6 divisors (see below), whose sum is σ = 27373708350. Its totient is φ = 17660456960.

The previous prime is 22075571209. The next prime is 22075571227. The reversal of 22075571225 is 52217557022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4345050889 + 17730520336 = 65917^2 + 133156^2 .

It is not a de Polignac number, because 22075571225 - 2⁴ = 22075571209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22075571227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441511400 + ... + 441511449.

It is an arithmetic number, because the mean of its divisors is an integer number (4562284725).

Almost surely, 2^22075571225 is an apocalyptic number.

22075571225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22075571225 is a deficient number, since it is larger than the sum of its proper divisors (5298137125).

22075571225 is an equidigital number, since it uses as much as digits as its factorization.

22075571225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883022859 (or 883022854 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 38.

The spelling of 22075571225 in words is "twenty-two billion, seventy-five million, five hundred seventy-one thousand, two hundred twenty-five".