7220132250 has 64 divisors (see below), whose sum is σ = 18101266560. Its totient is φ = 1916841600.

The previous prime is 7220132219. The next prime is 7220132273. The reversal of 7220132250 is 522310227.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7220132250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149046 + ... + 191454.

It is an arithmetic number, because the mean of its divisors is an integer number (282832290).

Almost surely, 2^7220132250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7220132250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9050633280).

7220132250 is an abundant number, since it is smaller than the sum of its proper divisors (10881134310).

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

7220132250 is a wasteful number, since it uses less digits than its factorization.

7220132250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42656 (or 42646 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 7220132250 is about 84971.3613519285. The cubic root of 7220132250 is about 1932.7768604227.

Adding to 7220132250 its reverse (522310227), we get a palindrome (7742442477).

The spelling of 7220132250 in words is "seven billion, two hundred twenty million, one hundred thirty-two thousand, two hundred fifty".