64222575 has 12 divisors (see below), whose sum is σ = 106181448. Its totient is φ = 34252000.

The previous prime is 64222573. The next prime is 64222579. The reversal of 64222575 is 57522246.

It is not a de Polignac number, because 64222575 - 2¹ = 64222573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64222573) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 428076 + ... + 428225.

It is an arithmetic number, because the mean of its divisors is an integer number (8848454).

Almost surely, 2^64222575 is an apocalyptic number.

64222575 is a deficient number, since it is larger than the sum of its proper divisors (41958873).

64222575 is a wasteful number, since it uses less digits than its factorization.

64222575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856314 (or 856309 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 64222575 is about 8013.8988638490. The cubic root of 64222575 is about 400.4631614134.

The spelling of 64222575 in words is "sixty-four million, two hundred twenty-two thousand, five hundred seventy-five".