4194261225 has 72 divisors (see below), whose sum is σ = 9366132672. Its totient is φ = 1743062400.

The previous prime is 4194261217. The next prime is 4194261257. The reversal of 4194261225 is 5221624914.

It is a happy number.

4194261225 is a `hidden beast` number, since 4 + 1 + 9 + 426 + 1 + 225 = 666.

4194261225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4194261225 - 2³ = 4194261217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4194261225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103722 + ... + 138371.

It is an arithmetic number, because the mean of its divisors is an integer number (130085176).

Almost surely, 2^4194261225 is an apocalyptic number.

4194261225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4194261225 is an abundant number, since it is smaller than the sum of its proper divisors (5171871447).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4194261225 is a wasteful number, since it uses less digits than its factorization.

4194261225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242127 (or 242119 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4194261225 is about 64763.1162391063. The cubic root of 4194261225 is about 1612.6934615548.

The spelling of 4194261225 in words is "four billion, one hundred ninety-four million, two hundred sixty-one thousand, two hundred twenty-five".