4171887225 has 72 divisors (see below), whose sum is σ = 8266774464. Its totient is φ = 1994160000.

The previous prime is 4171887211. The next prime is 4171887257. The reversal of 4171887225 is 5227881714.

4171887225 is a `hidden beast` number, since 417 + 1 + 8 + 8 + 7 + 225 = 666.

It is not a de Polignac number, because 4171887225 - 2⁹ = 4171886713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 163855 + ... + 187595.

It is an arithmetic number, because the mean of its divisors is an integer number (114816312).

Almost surely, 2^4171887225 is an apocalyptic number.

4171887225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4171887225 is a deficient number, since it is larger than the sum of its proper divisors (4094887239).

4171887225 is a wasteful number, since it uses less digits than its factorization.

4171887225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23839 (or 23831 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 4171887225 is about 64590.1480490640. The cubic root of 4171887225 is about 1609.8207463458.

The spelling of 4171887225 in words is "four billion, one hundred seventy-one million, eight hundred eighty-seven thousand, two hundred twenty-five".