64622121 has 8 divisors (see below), whose sum is σ = 89134080. Its totient is φ = 41595792.

The previous prime is 64622113. The next prime is 64622147. The reversal of 64622121 is 12122646.

64622121 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 not a de Polignac number, because 64622121 - 2³ = 64622113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64622091 and 64622100.

It is not an unprimeable number, because it can be changed into a prime (64622171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 371305 + ... + 371478.

It is an arithmetic number, because the mean of its divisors is an integer number (11141760).

Almost surely, 2^64622121 is an apocalyptic number.

It is an amenable number.

64622121 is a deficient number, since it is larger than the sum of its proper divisors (24511959).

64622121 is a wasteful number, since it uses less digits than its factorization.

64622121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742815.

The product of its digits is 1152, while the sum is 24.

The square root of 64622121 is about 8038.7885281303. The cubic root of 64622121 is about 401.2919083565.

Adding to 64622121 its reverse (12122646), we get a palindrome (76744767).

The spelling of 64622121 in words is "sixty-four million, six hundred twenty-two thousand, one hundred twenty-one".