4227997225 has 12 divisors (see below), whose sum is σ = 5243642560. Its totient is φ = 3381800400.

The previous prime is 4227997219. The next prime is 4227997229. The reversal of 4227997225 is 5227997224.

It is not a de Polignac number, because 4227997225 - 2¹⁵ = 4227964457 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4227997229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178636 + ... + 200914.

Almost surely, 2^4227997225 is an apocalyptic number.

It is an amenable number.

4227997225 is a deficient number, since it is larger than the sum of its proper divisors (1015645335).

4227997225 is a wasteful number, since it uses less digits than its factorization.

4227997225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29880 (or 29875 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 4227997225 is about 65023.0514894526. The cubic root of 4227997225 is about 1617.0057510778.

Subtracting 4227997225 from its reverse (5227997224), we obtain a palindrome (999999999).

The spelling of 4227997225 in words is "four billion, two hundred twenty-seven million, nine hundred ninety-seven thousand, two hundred twenty-five".