7222582290 has 384 divisors, whose sum is σ = 23551948800. Its totient is φ = 1373137920.

The previous prime is 7222582273. The next prime is 7222582303. The reversal of 7222582290 is 922852227.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 81152566 + ... + 81152654.

It is an arithmetic number, because the mean of its divisors is an integer number (61333200).

Almost surely, 2^7222582290 is an apocalyptic number.

7222582290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222582290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11775974400).

7222582290 is an abundant number, since it is smaller than the sum of its proper divisors (16329366510).

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

7222582290 is a wasteful number, since it uses less digits than its factorization.

7222582290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 7222582290 is about 84985.7769865052. The cubic root of 7222582290 is about 1932.9954549918.

The spelling of 7222582290 in words is "seven billion, two hundred twenty-two million, five hundred eighty-two thousand, two hundred ninety".