111225668 has 6 divisors (see below), whose sum is σ = 194644926. Its totient is φ = 55612832.

The previous prime is 111225637. The next prime is 111225721. The reversal of 111225668 is 866522111.

It can be written as a sum of positive squares in only one way, i.e., 110838784 + 386884 = 10528^2 + 622^2 .

It is a super-2 number, since 2×111225668² = 24742298444092448, which contains 22 as substring.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13903205 + ... + 13903212.

It is an arithmetic number, because the mean of its divisors is an integer number (32440821).

Almost surely, 2^111225668 is an apocalyptic number.

It is an amenable number.

111225668 is a deficient number, since it is larger than the sum of its proper divisors (83419258).

111225668 is a wasteful number, since it uses less digits than its factorization.

111225668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27806421 (or 27806419 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 111225668 is about 10546.3580443677. The cubic root of 111225668 is about 480.9150196443.

Adding to 111225668 its reverse (866522111), we get a palindrome (977747779).

The spelling of 111225668 in words is "one hundred eleven million, two hundred twenty-five thousand, six hundred sixty-eight".