7225888885228 has 12 divisors (see below), whose sum is σ = 13618021360720. Its totient is φ = 3335025639312.

The previous prime is 7225888885223. The next prime is 7225888885231. The reversal of 7225888885228 is 8225888885227.

It is a super-2 number, since 2×7225888885228² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7225888885223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 69479700768 + ... + 69479700871.

Almost surely, 2^{7225888885228} is an apocalyptic number.

It is an amenable number.

7225888885228 is a deficient number, since it is larger than the sum of its proper divisors (6392132475492).

7225888885228 is a wasteful number, since it uses less digits than its factorization.

7225888885228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138959401656 (or 138959401654 counting only the distinct ones).

The product of its digits is 734003200, while the sum is 73.

Subtracting 7225888885228 from its reverse (8225888885227), we obtain a palindrome (999999999999).

The spelling of 7225888885228 in words is "seven trillion, two hundred twenty-five billion, eight hundred eighty-eight million, eight hundred eighty-five thousand, two hundred twenty-eight".