229501744969225 has 9 divisors (see below), whose sum is σ = 284582257687623. Its totient is φ = 183601335378120.

The previous prime is 229501744969201. The next prime is 229501744969243. The reversal of 229501744969225 is 522969447105922.

The square root of 229501744969225 is 15149315.

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., 82620628188921 + 146881116780304 = 9089589^2 + 12119452^2 .

It is not a de Polignac number, because 229501744969225 - 2⁴¹ = 227302721713673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 74231644 + ... + 77261506.

Almost surely, 2^{229501744969225} is an apocalyptic number.

229501744969225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

229501744969225 is the 15149315-th square number.

229501744969225 is the 7574658-th centered octagonal number.

It is an amenable number.

229501744969225 is a deficient number, since it is larger than the sum of its proper divisors (55080512718398).

229501744969225 is an frugal number, since it uses more digits than its factorization.

229501744969225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059736 (or 3029868 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 67.

The spelling of 229501744969225 in words is "two hundred twenty-nine trillion, five hundred one billion, seven hundred forty-four million, nine hundred sixty-nine thousand, two hundred twenty-five".