2222021250 has 120 divisors (see below), whose sum is σ = 6046964352. Its totient is φ = 589500000.

The previous prime is 2222021239. The next prime is 2222021251. The reversal of 2222021250 is 521202222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2222021251) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2958375 + ... + 2959125.

Almost surely, 2^2222021250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222021250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3023482176).

2222021250 is an abundant number, since it is smaller than the sum of its proper divisors (3824943102).

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

2222021250 is a wasteful number, since it uses less digits than its factorization.

2222021250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2222021250 is about 47138.3203985887. The cubic root of 2222021250 is about 1304.9165402212.

Adding to 2222021250 its reverse (521202222), we get a palindrome (2743223472).

The spelling of 2222021250 in words is "two billion, two hundred twenty-two million, twenty-one thousand, two hundred fifty".