64522227 has 16 divisors (see below), whose sum is σ = 107258112. Its totient is φ = 33517920.

The previous prime is 64522219. The next prime is 64522243. The reversal of 64522227 is 72222546.

It is not a de Polignac number, because 64522227 - 2³ = 64522219 is a prime.

It is a super-3 number, since 3×64522227³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64522194 and 64522203.

It is not an unprimeable number, because it can be changed into a prime (64522217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139428 + ... + 139889.

It is an arithmetic number, because the mean of its divisors is an integer number (6703632).

Almost surely, 2^64522227 is an apocalyptic number.

64522227 is a deficient number, since it is larger than the sum of its proper divisors (42735885).

64522227 is a wasteful number, since it uses less digits than its factorization.

64522227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279338.

The product of its digits is 13440, while the sum is 30.

The square root of 64522227 is about 8032.5728754864. The cubic root of 64522227 is about 401.0850270462.

The spelling of 64522227 in words is "sixty-four million, five hundred twenty-two thousand, two hundred twenty-seven".