1022250355500 has 384 divisors, whose sum is σ = 3333116666880. Its totient is φ = 241301760000.

The previous prime is 1022250355487. The next prime is 1022250355507. The reversal of 1022250355500 is 55530522201.

1022250355500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1022250355507) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 445812354 + ... + 445814646.

It is an arithmetic number, because the mean of its divisors is an integer number (8679991320).

Almost surely, 2^{1022250355500} is an apocalyptic number.

1022250355500 is a gapful number since it is divisible by the number (10) 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 1022250355500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666558333440).

1022250355500 is an abundant number, since it is smaller than the sum of its proper divisors (2310866311380).

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

1022250355500 is a wasteful number, since it uses less digits than its factorization.

1022250355500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 1022250355500 its reverse (55530522201), we get a palindrome (1077780877701).

The spelling of 1022250355500 in words is "one trillion, twenty-two billion, two hundred fifty million, three hundred fifty-five thousand, five hundred".