228467306068225 has 81 divisors (see below), whose sum is σ = 340550528225283. Its totient is φ = 151598757996000.

The previous prime is 228467306068219. The next prime is 228467306068247. The reversal of 228467306068225 is 522860603764822.

The square root of 228467306068225 is 15115135.

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

228467306068225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 82248230184561 + 146219075883664 = 9069081^2 + 12092108^2 .

It is not a de Polignac number, because 228467306068225 - 2¹⁹ = 228467305543937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 16399914510 + ... + 16399928440.

Almost surely, 2^{228467306068225} is an apocalyptic number.

228467306068225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228467306068225 is the 15115135-th square number.

228467306068225 is the 7557568-th centered octagonal number.

It is an amenable number.

228467306068225 is a deficient number, since it is larger than the sum of its proper divisors (112083222157058).

228467306068225 is an frugal number, since it uses more digits than its factorization.

228467306068225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27948 (or 13974 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 61.

The spelling of 228467306068225 in words is "two hundred twenty-eight trillion, four hundred sixty-seven billion, three hundred six million, sixty-eight thousand, two hundred twenty-five".