2221030250 has 32 divisors (see below), whose sum is σ = 4301154000. Its totient is φ = 857774400.

The previous prime is 2221030249. The next prime is 2221030267. The reversal of 2221030250 is 520301222.

It can be written as a sum of positive squares in 8 ways, for example, as 110271001 + 2110759249 = 10501^2 + 45943^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145925 + ... + 160424.

Almost surely, 2^2221030250 is an apocalyptic number.

2221030250 is a deficient number, since it is larger than the sum of its proper divisors (2080123750).

2221030250 is a wasteful number, since it uses less digits than its factorization.

2221030250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306395 (or 306385 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2221030250 is about 47127.8076086720. The cubic root of 2221030250 is about 1304.7225179863.

Adding to 2221030250 its reverse (520301222), we get a palindrome (2741331472).

The spelling of 2221030250 in words is "two billion, two hundred twenty-one million, thirty thousand, two hundred fifty".