64522205 has 16 divisors (see below), whose sum is σ = 85091904. Its totient is φ = 46577280.

The previous prime is 64522189. The next prime is 64522217. The reversal of 64522205 is 50222546.

It is not a de Polignac number, because 64522205 - 2⁴ = 64522189 is a prime.

It is a super-2 number, since 2×64522205² = 8326229876124050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3254 + ... + 11816.

It is an arithmetic number, because the mean of its divisors is an integer number (5318244).

Almost surely, 2^64522205 is an apocalyptic number.

It is an amenable number.

64522205 is a deficient number, since it is larger than the sum of its proper divisors (20569699).

64522205 is a wasteful number, since it uses less digits than its factorization.

64522205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 64522205 is about 8032.5715060621. The cubic root of 64522205 is about 401.0849814605.

The spelling of 64522205 in words is "sixty-four million, five hundred twenty-two thousand, two hundred five".