11994222888 has 48 divisors (see below), whose sum is σ = 33239812320. Its totient is φ = 3905094816.

The previous prime is 11994222883. The next prime is 11994222893. The reversal of 11994222888 is 88822249911.

11994222888 is a `hidden beast` number, since 1 + 199 + 422 + 28 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (11994222883) and next prime (11994222893).

It is a super-2 number, since 2×11994222888² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11994222883) 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, 1933956 + ... + 1940147.

It is an arithmetic number, because the mean of its divisors is an integer number (692496090).

Almost surely, 2^11994222888 is an apocalyptic number.

11994222888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11994222888 is an abundant number, since it is smaller than the sum of its proper divisors (21245589432).

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

11994222888 is a wasteful number, since it uses less digits than its factorization.

11994222888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874158 (or 3874151 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The spelling of 11994222888 in words is "eleven billion, nine hundred ninety-four million, two hundred twenty-two thousand, eight hundred eighty-eight".