4072222225 has 12 divisors (see below), whose sum is σ = 5051447644. Its totient is φ = 3256557120.

The previous prime is 4072222207. The next prime is 4072222247. The reversal of 4072222225 is 5222222704.

4072222225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 66977856 + 4005244369 = 8184^2 + 63287^2 .

It is not a de Polignac number, because 4072222225 - 2⁷ = 4072222097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4072222193 and 4072222202.

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, 40807 + ... + 99043.

Almost surely, 2^4072222225 is an apocalyptic number.

It is an amenable number.

4072222225 is a deficient number, since it is larger than the sum of its proper divisors (979225419).

4072222225 is a wasteful number, since it uses less digits than its factorization.

4072222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61044 (or 61039 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 4072222225 is about 63813.9657520201. The cubic root of 4072222225 is about 1596.8979251409.

Adding to 4072222225 its reverse (5222222704), we get a palindrome (9294444929).

The spelling of 4072222225 in words is "four billion, seventy-two million, two hundred twenty-two thousand, two hundred twenty-five".