4354020225 has 81 divisors (see below), whose sum is σ = 8045370697. Its totient is φ = 2250880320.

The previous prime is 4354020197. The next prime is 4354020239. The reversal of 4354020225 is 5220204534.

It is a happy number.

The square root of 4354020225 is 65985.

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

4354020225 is a `hidden beast` number, since 4 + 35 + 402 + 0 + 225 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32798529 + 4321221696 = 5727^2 + 65736^2 .

It is not a de Polignac number, because 4354020225 - 2¹¹ = 4354018177 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 52458034 + ... + 52458116.

Almost surely, 2^4354020225 is an apocalyptic number.

4354020225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4354020225 is the 65985-th square number.

4354020225 is the 32993-rd centered octagonal number.

It is an amenable number.

4354020225 is a deficient number, since it is larger than the sum of its proper divisors (3691350472).

4354020225 is an equidigital number, since it uses as much as digits as its factorization.

4354020225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The cubic root of 4354020225 is about 1632.9146322523.

Adding to 4354020225 its reverse (5220204534), we get a palindrome (9574224759).

The spelling of 4354020225 in words is "four billion, three hundred fifty-four million, twenty thousand, two hundred twenty-five".