222503250 has 64 divisors (see below), whose sum is σ = 558125568. Its totient is φ = 59040000.

The previous prime is 222503231. The next prime is 222503257. The reversal of 222503250 is 52305222.

It is not an unprimeable number, because it can be changed into a prime (222503257) 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 31 ways as a sum of consecutive naturals, for example, 180135 + ... + 181365.

It is an arithmetic number, because the mean of its divisors is an integer number (8720712).

Almost surely, 2^222503250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222503250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279062784).

222503250 is an abundant number, since it is smaller than the sum of its proper divisors (335622318).

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

222503250 is a wasteful number, since it uses less digits than its factorization.

222503250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 222503250 is about 14916.5428300260. The cubic root of 222503250 is about 605.9620874015.

Adding to 222503250 its reverse (52305222), we get a palindrome (274808472).

The spelling of 222503250 in words is "two hundred twenty-two million, five hundred three thousand, two hundred fifty".