22064222221446 has 8 divisors (see below), whose sum is σ = 44128444442904. Its totient is φ = 7354740740480.

The previous prime is 22064222221439. The next prime is 22064222221451. The reversal of 22064222221446 is 64412222246022.

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

22064222221446 is an admirable number.

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, 1838685185115 + ... + 1838685185126.

It is an arithmetic number, because the mean of its divisors is an integer number (5516055555363).

Almost surely, 2^{22064222221446} is an apocalyptic number.

22064222221446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22064222221446 is a wasteful number, since it uses less digits than its factorization.

22064222221446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677370370246.

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 22064222221446 its reverse (64412222246022), we get a palindrome (86476444467468).

The spelling of 22064222221446 in words is "twenty-two trillion, sixty-four billion, two hundred twenty-two million, two hundred twenty-one thousand, four hundred forty-six".