224352915912225 has 27 divisors (see below), whose sum is σ = 401841402921049. Its totient is φ = 119654768659200.

The previous prime is 224352915912193. The next prime is 224352915912241. The reversal of 224352915912225 is 522219519253422.

The square root of 224352915912225 is 14978415.

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

224352915912225 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 5 + 2 + 9 + 1 + 591 + 22 + 25 = 666.

224352915912225 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 4 ways, for example, as 49027457845521 + 175325458066704 = 7001961^2 + 13241052^2 .

It is not a de Polignac number, because 224352915912225 - 2⁵ = 224352915912193 is a prime.

It is a Duffinian number.

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, 224176945 + ... + 225175505.

Almost surely, 2^{224352915912225} is an apocalyptic number.

224352915912225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

224352915912225 is the 14978415-th square number.

224352915912225 is the 7489208-th centered octagonal number.

It is an amenable number.

224352915912225 is a deficient number, since it is larger than the sum of its proper divisors (177488487008824).

224352915912225 is an frugal number, since it uses more digits than its factorization.

224352915912225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997138 (or 998569 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 224352915912225 in words is "two hundred twenty-four trillion, three hundred fifty-two billion, nine hundred fifteen million, nine hundred twelve thousand, two hundred twenty-five".