64422133 has 2 divisors, whose sum is σ = 64422134. Its totient is φ = 64422132.

The previous prime is 64422131. The next prime is 64422139. The reversal of 64422133 is 33122446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54066609 + 10355524 = 7353^2 + 3218^2 .

It is a cyclic number.

It is not a de Polignac number, because 64422133 - 2¹ = 64422131 is a prime.

It is a super-2 number, since 2×64422133² = 8300422440539378, which contains 22 as substring.

Together with 64422131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64422098 and 64422107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64422131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32211066 + 32211067.

It is an arithmetic number, because the mean of its divisors is an integer number (32211067).

Almost surely, 2^64422133 is an apocalyptic number.

It is an amenable number.

64422133 is a deficient number, since it is larger than the sum of its proper divisors (1).

64422133 is an equidigital number, since it uses as much as digits as its factorization.

64422133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 64422133 is about 8026.3399504382. The cubic root of 64422133 is about 400.8775172509.

Adding to 64422133 its reverse (33122446), we get a palindrome (97544579).

The spelling of 64422133 in words is "sixty-four million, four hundred twenty-two thousand, one hundred thirty-three".