64422266222446 has 12 divisors (see below), whose sum is σ = 106216876953936. Its totient is φ = 29282848282820.

The previous prime is 64422266222417. The next prime is 64422266222473.

64422266222446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64422266222393 and 64422266222402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133103855590 + ... + 133103856073.

It is an arithmetic number, because the mean of its divisors is an integer number (8851406412828).

Almost surely, 2^{64422266222446} is an apocalyptic number.

64422266222446 is a deficient number, since it is larger than the sum of its proper divisors (41794610731490).

64422266222446 is a wasteful number, since it uses less digits than its factorization.

64422266222446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266207711687 (or 266207711676 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 52.

The spelling of 64422266222446 in words is "sixty-four trillion, four hundred twenty-two billion, two hundred sixty-six million, two hundred twenty-two thousand, four hundred forty-six".