112222540 has 12 divisors (see below), whose sum is σ = 235667376. Its totient is φ = 44889008.

The previous prime is 112222519. The next prime is 112222549. The reversal of 112222540 is 45222211.

It is not an unprimeable number, because it can be changed into a prime (112222549) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2805544 + ... + 2805583.

It is an arithmetic number, because the mean of its divisors is an integer number (19638948).

Almost surely, 2^112222540 is an apocalyptic number.

112222540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222540 is an abundant number, since it is smaller than the sum of its proper divisors (123444836).

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

112222540 is a wasteful number, since it uses less digits than its factorization.

112222540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611136 (or 5611134 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 112222540 is about 10593.5140534197. The cubic root of 112222540 is about 482.3474993904.

Adding to 112222540 its reverse (45222211), we get a palindrome (157444751).

The spelling of 112222540 in words is "one hundred twelve million, two hundred twenty-two thousand, five hundred forty".