227529016924225 has 27 divisors (see below), whose sum is σ = 287564793387739. Its totient is φ = 178585675798400.

The previous prime is 227529016924163. The next prime is 227529016924259. The reversal of 227529016924225 is 522429610925722.

It is a happy number.

The square root of 227529016924225 is 15084065.

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

It can be written as a sum of positive squares in 13 ways, for example, as 9662442751809 + 217866574172416 = 3108447^2 + 14760304^2 .

It is not a de Polignac number, because 227529016924225 - 2¹⁵ = 227529016891457 is a prime.

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 227529016924225.

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, 3997248765 + ... + 3997305685.

Almost surely, 2^{227529016924225} is an apocalyptic number.

227529016924225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

227529016924225 is the 15084065-th square number.

227529016924225 is the 7542033-rd centered octagonal number.

It is an amenable number.

227529016924225 is a deficient number, since it is larger than the sum of its proper divisors (60035776463514).

227529016924225 is an frugal number, since it uses more digits than its factorization.

227529016924225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113958 (or 56979 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 227529016924225 in words is "two hundred twenty-seven trillion, five hundred twenty-nine billion, sixteen million, nine hundred twenty-four thousand, two hundred twenty-five".