2222288888 has 64 divisors (see below), whose sum is σ = 4474552320. Its totient is φ = 1032134400.

The previous prime is 2222288869. The next prime is 2222288899. The reversal of 2222288888 is 8888822222.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2043881 + ... + 2044967.

It is an arithmetic number, because the mean of its divisors is an integer number (69914880).

Almost surely, 2^2222288888 is an apocalyptic number.

It is an amenable number.

2222288888 is an abundant number, since it is smaller than the sum of its proper divisors (2252263432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222288888 is a wasteful number, since it uses less digits than its factorization.

2222288888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1424 counting only the distinct ones).

The product of its digits is 1048576, while the sum is 50.

The square root of 2222288888 is about 47141.1591711532. The cubic root of 2222288888 is about 1304.9689296439.

It can be divided in two parts, 22222 and 88888, that multiplied together give a square (1975269136 = 44444²).

The spelling of 2222288888 in words is "two billion, two hundred twenty-two million, two hundred eighty-eight thousand, eight hundred eighty-eight".