7222558532 has 48 divisors (see below), whose sum is σ = 15114731520. Its totient is φ = 2952636192.

The previous prime is 7222558523. The next prime is 7222558543. The reversal of 7222558532 is 2358552227.

It is a self number, because there is not a number n which added to its sum of digits gives 7222558532.

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, 221069 + ... + 251627.

It is an arithmetic number, because the mean of its divisors is an integer number (314890240).

Almost surely, 2^7222558532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222558532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7557365760).

7222558532 is an abundant number, since it is smaller than the sum of its proper divisors (7892172988).

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

7222558532 is a wasteful number, since it uses less digits than its factorization.

7222558532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30960 (or 30958 counting only the distinct ones).

The product of its digits is 336000, while the sum is 41.

The square root of 7222558532 is about 84985.6372100604. The cubic root of 7222558532 is about 1932.9933355210.

The spelling of 7222558532 in words is "seven billion, two hundred twenty-two million, five hundred fifty-eight thousand, five hundred thirty-two".