64994822 has 8 divisors (see below), whose sum is σ = 97725072. Its totient is φ = 32419800.

The previous prime is 64994821. The next prime is 64994833. The reversal of 64994822 is 22849946.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64994821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37754 + ... + 39437.

It is an arithmetic number, because the mean of its divisors is an integer number (12215634).

Almost surely, 2^64994822 is an apocalyptic number.

64994822 is a deficient number, since it is larger than the sum of its proper divisors (32730250).

64994822 is a wasteful number, since it uses less digits than its factorization.

64994822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77614.

The product of its digits is 248832, while the sum is 44.

The square root of 64994822 is about 8061.9366159751. The cubic root of 64994822 is about 402.0618990021.

The spelling of 64994822 in words is "sixty-four million, nine hundred ninety-four thousand, eight hundred twenty-two".