68225571 has 10 divisors (see below), whose sum is σ = 101917332. Its totient is φ = 45483660.

The previous prime is 68225557. The next prime is 68225579. The reversal of 68225571 is 17552286.

It is a happy number.

68225571 is a `hidden beast` number, since 6 + 82 + 2 + 5 + 571 = 666.

It is not a de Polignac number, because 68225571 - 2¹⁰ = 68224547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68225579) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 421065 + ... + 421226.

Almost surely, 2^68225571 is an apocalyptic number.

68225571 is a deficient number, since it is larger than the sum of its proper divisors (33691761).

68225571 is an equidigital number, since it uses as much as digits as its factorization.

68225571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842303 (or 842294 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 68225571 is about 8259.8771782636. The cubic root of 68225571 is about 408.6163370725.

The spelling of 68225571 in words is "sixty-eight million, two hundred twenty-five thousand, five hundred seventy-one".