22025000000000 has 240 divisors, whose sum is σ = 55071166766616. Its totient is φ = 8800000000000.

The previous prime is 22024999999987. The next prime is 22025000000051. The reversal of 22025000000000 is 52022.

It can be written as a sum of positive squares in 12 ways, for example, as 642588211456 + 21382411788544 = 801616^2 + 4624112^2 .

It is a sliding number, since 22025000000000 = 6400000000000 + 15625000000000 and 1/6400000000000 + 1/15625000000000 = 0.00000000000022025000000000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24999999560 + ... + 25000000440.

Almost surely, 2^{22025000000000} is an apocalyptic number.

22025000000000 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 22025000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27535583383308).

22025000000000 is an abundant number, since it is smaller than the sum of its proper divisors (33046166766616).

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

22025000000000 is an frugal number, since it uses more digits than its factorization.

22025000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

Adding to 22025000000000 its reverse (52022), we get a palindrome (22025000052022).

The spelling of 22025000000000 in words is "twenty-two trillion, twenty-five billion", and thus it is an aban number and an uban number.