2222451162500 has 72 divisors (see below), whose sum is σ = 4868902260936. Its totient is φ = 887590400000.

The previous prime is 2222451162497. The next prime is 2222451162517. The reversal of 2222451162500 is 52611542222.

It can be written as a sum of positive squares in 12 ways, for example, as 1621792062016 + 600659100484 = 1273496^2 + 775022^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7873814 + ... + 8151186.

It is an arithmetic number, because the mean of its divisors is an integer number (67623642513).

Almost surely, 2^{2222451162500} is an apocalyptic number.

2222451162500 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 2222451162500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434451130468).

2222451162500 is an abundant number, since it is smaller than the sum of its proper divisors (2646451098436).

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

2222451162500 is an equidigital number, since it uses as much as digits as its factorization.

2222451162500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278043 (or 278021 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 2222451162500 in words is "two trillion, two hundred twenty-two billion, four hundred fifty-one million, one hundred sixty-two thousand, five hundred".