2225555888 has 20 divisors (see below), whose sum is σ = 4319207928. Its totient is φ = 1110921600.

The previous prime is 2225555881. The next prime is 2225555911. The reversal of 2225555888 is 8885555222.

It is a super-2 number, since 2×2225555888² = 9906198021222937088, which contains 22 as substring.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2225555881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106106 + ... + 125337.

Almost surely, 2^2225555888 is an apocalyptic number.

It is an amenable number.

2225555888 is a deficient number, since it is larger than the sum of its proper divisors (2093652040).

2225555888 is a wasteful number, since it uses less digits than its factorization.

2225555888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232052 (or 232046 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 50.

The square root of 2225555888 is about 47175.7976933088. The cubic root of 2225555888 is about 1305.6080973712.

The spelling of 2225555888 in words is "two billion, two hundred twenty-five million, five hundred fifty-five thousand, eight hundred eighty-eight".