64631122 has 8 divisors (see below), whose sum is σ = 102049200. Its totient is φ = 30614724.

The previous prime is 64631117. The next prime is 64631167. The reversal of 64631122 is 22113646.

64631122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850372 + ... + 850447.

It is an arithmetic number, because the mean of its divisors is an integer number (12756150).

Almost surely, 2^64631122 is an apocalyptic number.

64631122 is a deficient number, since it is larger than the sum of its proper divisors (37418078).

64631122 is a wasteful number, since it uses less digits than its factorization.

64631122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700840.

The product of its digits is 1728, while the sum is 25.

The square root of 64631122 is about 8039.3483566767. The cubic root of 64631122 is about 401.3105390293.

Adding to 64631122 its reverse (22113646), we get a palindrome (86744768).

The spelling of 64631122 in words is "sixty-four million, six hundred thirty-one thousand, one hundred twenty-two".