112222420 has 12 divisors (see below), whose sum is σ = 235667124. Its totient is φ = 44888960.

The previous prime is 112222393. The next prime is 112222433. The reversal of 112222420 is 24222211.

It can be written as a sum of positive squares in 2 ways, for example, as 67305616 + 44916804 = 8204^2 + 6702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112222394 and 112222403.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 2805541 + ... + 2805580.

It is an arithmetic number, because the mean of its divisors is an integer number (19638927).

Almost surely, 2^112222420 is an apocalyptic number.

112222420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222420 is an abundant number, since it is smaller than the sum of its proper divisors (123444704).

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

112222420 is a wasteful number, since it uses less digits than its factorization.

112222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611130 (or 5611128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 112222420 is about 10593.5083895752. The cubic root of 112222420 is about 482.3473274650.

Adding to 112222420 its reverse (24222211), we get a palindrome (136444631).

The spelling of 112222420 in words is "one hundred twelve million, two hundred twenty-two thousand, four hundred twenty".