1002225355320 has 384 divisors, whose sum is σ = 3539238546240. Its totient is φ = 226359705600.

The previous prime is 1002225355303. The next prime is 1002225355321. The reversal of 1002225355320 is 235535222001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002225355321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 364047064 + ... + 364049816.

Almost surely, 2^{1002225355320} is an apocalyptic number.

1002225355320 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 1002225355320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769619273120).

1002225355320 is an abundant number, since it is smaller than the sum of its proper divisors (2537013190920).

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

1002225355320 is a wasteful number, since it uses less digits than its factorization.

1002225355320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3484 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 1002225355320 in words is "one trillion, two billion, two hundred twenty-five million, three hundred fifty-five thousand, three hundred twenty".