64108422 has 40 divisors (see below), whose sum is σ = 164174736. Its totient is φ = 18316368.

The previous prime is 64108361. The next prime is 64108427. The reversal of 64108422 is 22480146.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64108427) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27133 + ... + 29400.

Almost surely, 2^64108422 is an apocalyptic number.

64108422 is an abundant number, since it is smaller than the sum of its proper divisors (100066314).

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

64108422 is a wasteful number, since it uses less digits than its factorization.

64108422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56554 (or 56545 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 64108422 is about 8006.7735074748. The cubic root of 64108422 is about 400.2257517331.

Adding to 64108422 its reverse (22480146), we get a palindrome (86588568).

The spelling of 64108422 in words is "sixty-four million, one hundred eight thousand, four hundred twenty-two".