7022252556 has 120 divisors (see below), whose sum is σ = 20672762880. Its totient is φ = 2059279200.

The previous prime is 7022252483. The next prime is 7022252569. The reversal of 7022252556 is 6552522207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7022252556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 78705 + ... + 142263.

It is an arithmetic number, because the mean of its divisors is an integer number (172273024).

Almost surely, 2^7022252556 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 7022252556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10336381440).

7022252556 is an abundant number, since it is smaller than the sum of its proper divisors (13650510324).

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

7022252556 is a wasteful number, since it uses less digits than its factorization.

7022252556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63617 (or 63606 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 7022252556 is about 83798.8815915821. The cubic root of 7022252556 is about 1914.9560675908.

The spelling of 7022252556 in words is "seven billion, twenty-two million, two hundred fifty-two thousand, five hundred fifty-six".