222047750 has 64 divisors (see below), whose sum is σ = 440519040. Its totient is φ = 83793600.

The previous prime is 222047731. The next prime is 222047783. The reversal of 222047750 is 57740222.

222047750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3041714 + ... + 3041786.

It is an arithmetic number, because the mean of its divisors is an integer number (6883110).

Almost surely, 2^222047750 is an apocalyptic number.

222047750 is the 12167-th pentagonal number.

222047750 is a deficient number, since it is larger than the sum of its proper divisors (218471290).

222047750 is an frugal number, since it uses more digits than its factorization.

222047750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 222047750 is about 14901.2667246781. The cubic root of 222047750 is about 605.5483042397.

Adding to 222047750 its reverse (57740222), we get a palindrome (279787972).

The spelling of 222047750 in words is "two hundred twenty-two million, forty-seven thousand, seven hundred fifty".