99225000000 has 945 divisors, whose sum is σ = 427694605239. Its totient is φ = 22680000000.

The previous prime is 99224999987. The next prime is 99225000067. The reversal of 99225000000 is 52299.

The square root of 99225000000 is 315000.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 70547609664 + 28677390336 = 265608^2 + 169344^2 .

It is a tau number, because it is divible by the number of its divisors (945).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 14174999997 + ... + 14175000003.

Almost surely, 2^99225000000 is an apocalyptic number.

99225000000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99225000000 is the 315000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99225000000

99225000000 is an abundant number, since it is smaller than the sum of its proper divisors (328469605239).

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

99225000000 is an frugal number, since it uses more digits than its factorization.

99225000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 99225000000 its reverse (52299), we get a palindrome (99225052299).

The spelling of 99225000000 in words is "ninety-nine billion, two hundred twenty-five million", and thus it is an aban number.