52242220000 has 120 divisors (see below), whose sum is σ = 128736303696. Its totient is φ = 20862336000.

The previous prime is 52242219947. The next prime is 52242220021. The reversal of 52242220000 is 2224225.

It is a self number, because there is not a number n which added to its sum of digits gives 52242220000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14538204 + ... + 14541796.

Almost surely, 2^52242220000 is an apocalyptic number.

52242220000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52242220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64368151848).

52242220000 is an abundant number, since it is smaller than the sum of its proper divisors (76494083696).

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

52242220000 is an equidigital number, since it uses as much as digits as its factorization.

52242220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 52242220000 its reverse (2224225), we get a palindrome (52244444225).

The spelling of 52242220000 in words is "fifty-two billion, two hundred forty-two million, two hundred twenty thousand".