112223540 has 48 divisors (see below), whose sum is σ = 276877440. Its totient is φ = 37668480.

The previous prime is 112223537. The next prime is 112223549. The reversal of 112223540 is 45322211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112223549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16760 + ... + 22479.

It is an arithmetic number, because the mean of its divisors is an integer number (5768280).

Almost surely, 2^112223540 is an apocalyptic number.

112223540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112223540 is an abundant number, since it is smaller than the sum of its proper divisors (164653900).

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

112223540 is a wasteful number, since it uses less digits than its factorization.

112223540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39272 (or 39270 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 112223540 is about 10593.5612520059. The cubic root of 112223540 is about 482.3489320974.

Adding to 112223540 its reverse (45322211), we get a palindrome (157545751).

The spelling of 112223540 in words is "one hundred twelve million, two hundred twenty-three thousand, five hundred forty".