64822275 has 120 divisors (see below), whose sum is σ = 145838880. Its totient is φ = 27786240.

The previous prime is 64822273. The next prime is 64822313. The reversal of 64822275 is 57222846.

64822275 is a `hidden beast` number, since 648 + 2 + 2 + 2 + 7 + 5 = 666.

64822275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64822275 - 2¹ = 64822273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64822273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 240841 + ... + 241109.

It is an arithmetic number, because the mean of its divisors is an integer number (1215324).

Almost surely, 2^64822275 is an apocalyptic number.

64822275 is an abundant number, since it is smaller than the sum of its proper divisors (81016605).

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

64822275 is a wasteful number, since it uses less digits than its factorization.

64822275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 301 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 64822275 is about 8051.2281671805. The cubic root of 64822275 is about 401.7057882921.

The spelling of 64822275 in words is "sixty-four million, eight hundred twenty-two thousand, two hundred seventy-five".