64622113 has 2 divisors, whose sum is σ = 64622114. Its totient is φ = 64622112.

The previous prime is 64622093. The next prime is 64622147. The reversal of 64622113 is 31122646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42419169 + 22202944 = 6513^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 64622113 - 2¹³ = 64613921 is a prime.

It is not a weakly prime, because it can be changed into another prime (64620113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32311056 + 32311057.

It is an arithmetic number, because the mean of its divisors is an integer number (32311057).

Almost surely, 2^64622113 is an apocalyptic number.

It is an amenable number.

64622113 is a deficient number, since it is larger than the sum of its proper divisors (1).

64622113 is an equidigital number, since it uses as much as digits as its factorization.

64622113 is an evil number, because the sum of its binary digits is even.

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

The square root of 64622113 is about 8038.7880305429. The cubic root of 64622113 is about 401.2918917970.

Adding to 64622113 its reverse (31122646), we get a palindrome (95744759).

The spelling of 64622113 in words is "sixty-four million, six hundred twenty-two thousand, one hundred thirteen".