111922668 has 96 divisors (see below), whose sum is σ = 340945920. Its totient is φ = 31302720.

The previous prime is 111922667. The next prime is 111922799. The reversal of 111922668 is 866229111.

It is a super-2 number, since 2×111922668² = 25053367224476448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (111922667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11821 + ... + 19067.

It is an arithmetic number, because the mean of its divisors is an integer number (3551520).

Almost surely, 2^111922668 is an apocalyptic number.

111922668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111922668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170472960).

111922668 is an abundant number, since it is smaller than the sum of its proper divisors (229023252).

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

111922668 is a wasteful number, since it uses less digits than its factorization.

111922668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284 (or 7276 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 111922668 is about 10579.3510197932. The cubic root of 111922668 is about 481.9174861478.

The spelling of 111922668 in words is "one hundred eleven million, nine hundred twenty-two thousand, six hundred sixty-eight".