64422222446 has 8 divisors (see below), whose sum is σ = 96974795064. Its totient is φ = 32097290760.

The previous prime is 64422222433. The next prime is 64422222451.

64422222446 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56909525 + ... + 56910656.

It is an arithmetic number, because the mean of its divisors is an integer number (12121849383).

Almost surely, 2^64422222446 is an apocalyptic number.

64422222446 is a deficient number, since it is larger than the sum of its proper divisors (32552572618).

64422222446 is a wasteful number, since it uses less digits than its factorization.

64422222446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113820466.

The product of its digits is 294912, while the sum is 38.

The spelling of 64422222446 in words is "sixty-four billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred forty-six".