2202145500 has 192 divisors, whose sum is σ = 6604416000. Its totient is φ = 569977600.

The previous prime is 2202145489. The next prime is 2202145523. The reversal of 2202145500 is 55412022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13186417 + ... + 13186583.

It is an arithmetic number, because the mean of its divisors is an integer number (34398000).

Almost surely, 2^2202145500 is an apocalyptic number.

2202145500 is a gapful number since it is divisible by the number (20) 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 2202145500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3302208000).

2202145500 is an abundant number, since it is smaller than the sum of its proper divisors (4402270500).

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

2202145500 is a wasteful number, since it uses less digits than its factorization.

2202145500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2202145500 is about 46927.0231316669. The cubic root of 2202145500 is about 1301.0141002367.

Adding to 2202145500 its reverse (55412022), we get a palindrome (2257557522).

The spelling of 2202145500 in words is "two billion, two hundred two million, one hundred forty-five thousand, five hundred".