64081122 has 48 divisors (see below), whose sum is σ = 149938272. Its totient is φ = 18204480.

The previous prime is 64081117. The next prime is 64081133. The reversal of 64081122 is 22118046.

It is a junction number, because it is equal to n+sod(n) for n = 64081092 and 64081101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61518 + ... + 62550.

It is an arithmetic number, because the mean of its divisors is an integer number (3123714).

Almost surely, 2^64081122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64081122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74969136).

64081122 is an abundant number, since it is smaller than the sum of its proper divisors (85857150).

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

64081122 is a wasteful number, since it uses less digits than its factorization.

64081122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 64081122 is about 8005.0685193820. The cubic root of 64081122 is about 400.1689328109.

Adding to 64081122 its reverse (22118046), we get a palindrome (86199168).

The spelling of 64081122 in words is "sixty-four million, eighty-one thousand, one hundred twenty-two".