8951998225 has 27 divisors (see below), whose sum is σ = 11264166417. Its totient is φ = 7057522080.

The previous prime is 8951998213. The next prime is 8951998259. The reversal of 8951998225 is 5228991598.

The square root of 8951998225 is 94615.

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 2671752721 + 6280245504 = 51689^2 + 79248^2 .

It is not a de Polignac number, because 8951998225 - 2¹⁵ = 8951965457 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8951998225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 60080451 + ... + 60080599.

Almost surely, 2^8951998225 is an apocalyptic number.

8951998225 is the 94615-th square number.

8951998225 is the 47308-th centered octagonal number.

It is an amenable number.

8951998225 is a deficient number, since it is larger than the sum of its proper divisors (2312168192).

8951998225 is an equidigital number, since it uses as much as digits as its factorization.

8951998225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 281 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 58.

The cubic root of 8951998225 is about 2076.3791653803.

The spelling of 8951998225 in words is "eight billion, nine hundred fifty-one million, nine hundred ninety-eight thousand, two hundred twenty-five".