64644026226022 has 32 divisors (see below), whose sum is σ = 102916823650560. Its totient is φ = 30386812067040.

The previous prime is 64644026225959. The next prime is 64644026226053. The reversal of 64644026226022 is 22062262044646.

64644026226022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11730988 + ... + 16337200.

It is an arithmetic number, because the mean of its divisors is an integer number (3216150739080).

Almost surely, 2^{64644026226022} is an apocalyptic number.

64644026226022 is a deficient number, since it is larger than the sum of its proper divisors (38272797424538).

64644026226022 is a wasteful number, since it uses less digits than its factorization.

64644026226022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611468.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 64644026226022 in words is "sixty-four trillion, six hundred forty-four billion, twenty-six million, two hundred twenty-six thousand, twenty-two".