64628026222 has 32 divisors (see below), whose sum is σ = 100408191840. Its totient is φ = 31177681920.

The previous prime is 64628026219. The next prime is 64628026247. The reversal of 64628026222 is 22262082646.

It is a happy number.

64628026222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9280822 + ... + 9287782.

It is an arithmetic number, because the mean of its divisors is an integer number (3137755995).

Almost surely, 2^64628026222 is an apocalyptic number.

64628026222 is a deficient number, since it is larger than the sum of its proper divisors (35780165618).

64628026222 is a wasteful number, since it uses less digits than its factorization.

64628026222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 64628026222 in words is "sixty-four billion, six hundred twenty-eight million, twenty-six thousand, two hundred twenty-two".