222430750 has 32 divisors (see below), whose sum is σ = 417291264. Its totient is φ = 88780000.

The previous prime is 222430727. The next prime is 222430751. The reversal of 222430750 is 57034222.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222430751) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 192675 + ... + 193825.

It is an arithmetic number, because the mean of its divisors is an integer number (13040352).

Almost surely, 2^222430750 is an apocalyptic number.

222430750 is a deficient number, since it is larger than the sum of its proper divisors (194860514).

222430750 is a wasteful number, since it uses less digits than its factorization.

222430750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 222430750 is about 14914.1124442590. The cubic root of 222430750 is about 605.8962651063.

Adding to 222430750 its reverse (57034222), we get a palindrome (279464972).

The spelling of 222430750 in words is "two hundred twenty-two million, four hundred thirty thousand, seven hundred fifty".