64522 has 4 divisors (see below), whose sum is σ = 96786. Its totient is φ = 32260.

The previous prime is 64513. The next prime is 64553. The reversal of 64522 is 22546.

64522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22546 = 2 ⋅11273.

It can be written as a sum of positive squares in only one way, i.e., 63001 + 1521 = 251^2 + 39^2 .

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 64522.

It is an unprimeable number.

64522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16129 + ... + 16132.

64522 is a Friedman number, since it can be written as 254^2+6, using all its digits and the basic arithmetic operations.

2⁶⁴⁵²² is an apocalyptic number.

64522 is a deficient number, since it is larger than the sum of its proper divisors (32264).

64522 is a wasteful number, since it uses less digits than its factorization.

64522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32263.

The product of its digits is 480, while the sum is 19.

The square root of 64522 is about 254.0118107490. The cubic root of 64522 is about 40.1084556684.

The spelling of 64522 in words is "sixty-four thousand, five hundred twenty-two".