2221023250 has 32 divisors (see below), whose sum is σ = 4161334320. Its totient is φ = 887644800.

The previous prime is 2221023227. The next prime is 2221023251. The reversal of 2221023250 is 523201222.

It can be written as a sum of positive squares in 8 ways, for example, as 3837681 + 2217185569 = 1959^2 + 47087^2 .

It is not an unprimeable number, because it can be changed into a prime (2221023251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354142 + ... + 360358.

Almost surely, 2^2221023250 is an apocalyptic number.

2221023250 is a deficient number, since it is larger than the sum of its proper divisors (1940311070).

2221023250 is a wasteful number, since it uses less digits than its factorization.

2221023250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663 (or 7653 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2221023250 is about 47127.7333424810. The cubic root of 2221023250 is about 1304.7211472910.

Adding to 2221023250 its reverse (523201222), we get a palindrome (2744224472).

The spelling of 2221023250 in words is "two billion, two hundred twenty-one million, twenty-three thousand, two hundred fifty".