64022693 has 4 divisors (see below), whose sum is σ = 73168800. Its totient is φ = 54876588.

The previous prime is 64022687. The next prime is 64022737. The reversal of 64022693 is 39622046.

64022693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39622046 = 2 ⋅19811023.

It is a cyclic number.

It is not a de Polignac number, because 64022693 - 2⁴ = 64022677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64022653) 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 3 ways as a sum of consecutive naturals, for example, 4573043 + ... + 4573056.

It is an arithmetic number, because the mean of its divisors is an integer number (18292200).

Almost surely, 2^64022693 is an apocalyptic number.

It is an amenable number.

64022693 is a deficient number, since it is larger than the sum of its proper divisors (9146107).

64022693 is an equidigital number, since it uses as much as digits as its factorization.

64022693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146106.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 64022693 is about 8001.4181867966. The cubic root of 64022693 is about 400.0472714966.

The spelling of 64022693 in words is "sixty-four million, twenty-two thousand, six hundred ninety-three".