988159225 has 9 divisors (see below), whose sum is σ = 1225512367. Its totient is φ = 790401640.

The previous prime is 988159223. The next prime is 988159243. The reversal of 988159225 is 522951889.

The square root of 988159225 is 31435.

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

It can be written as a sum of positive squares in only one way, i.e., 355737321 + 632421904 = 18861^2 + 25148^2 .

It is not a de Polignac number, because 988159225 - 2¹ = 988159223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988159223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 154032 + ... + 160318.

Almost surely, 2^988159225 is an apocalyptic number.

988159225 is the 31435-th square number.

988159225 is the 15718-th centered octagonal number.

It is an amenable number.

988159225 is a deficient number, since it is larger than the sum of its proper divisors (237353142).

988159225 is an frugal number, since it uses more digits than its factorization.

988159225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584 (or 6292 counting only the distinct ones).

The product of its digits is 518400, while the sum is 49.

The cubic root of 988159225 is about 996.0373934903.

Multiplying 988159225 by its sum of digits (49), we get a square (48419802025 = 220045²).

Multiplying 988159225 by its product of digits (518400), we get a square (512261742240000 = 22633200²).

The spelling of 988159225 in words is "nine hundred eighty-eight million, one hundred fifty-nine thousand, two hundred twenty-five".