222125016 has 32 divisors (see below), whose sum is σ = 555816960. Its totient is φ = 73974432.

The previous prime is 222124997. The next prime is 222125039. The reversal of 222125016 is 610521222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222124983 and 222125001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27721 + ... + 34823.

It is an arithmetic number, because the mean of its divisors is an integer number (17369280).

Almost surely, 2^222125016 is an apocalyptic number.

It is an amenable number.

222125016 is an abundant number, since it is smaller than the sum of its proper divisors (333691944).

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

222125016 is a wasteful number, since it uses less digits than its factorization.

222125016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415 (or 8411 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 222125016 is about 14903.8590975626. The cubic root of 222125016 is about 605.6185336826.

Adding to 222125016 its reverse (610521222), we get a palindrome (832646238).

The spelling of 222125016 in words is "two hundred twenty-two million, one hundred twenty-five thousand, sixteen".