222125112 has 64 divisors (see below), whose sum is σ = 673113600. Its totient is φ = 67309920.

The previous prime is 222125107. The next prime is 222125119. The reversal of 222125112 is 211521222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222125119) 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, 44368 + ... + 49119.

It is an arithmetic number, because the mean of its divisors is an integer number (10517400).

Almost surely, 2^222125112 is an apocalyptic number.

222125112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222125112 is an abundant number, since it is smaller than the sum of its proper divisors (450988488).

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

222125112 is a wasteful number, since it uses less digits than its factorization.

222125112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93513 (or 93503 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 222125112 is about 14903.8623182046. The cubic root of 222125112 is about 605.6186209298.

Adding to 222125112 its reverse (211521222), we get a palindrome (433646334).

The spelling of 222125112 in words is "two hundred twenty-two million, one hundred twenty-five thousand, one hundred twelve".