22064404222144 has 56 divisors (see below), whose sum is σ = 44385688610208. Its totient is φ = 10881439334400.

The previous prime is 22064404222097. The next prime is 22064404222199. The reversal of 22064404222144 is 44122240446022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4789377 + ... + 8189440.

Almost surely, 2^{22064404222144} is an apocalyptic number.

It is an amenable number.

22064404222144 is an abundant number, since it is smaller than the sum of its proper divisors (22321284388064).

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

22064404222144 is a wasteful number, since it uses less digits than its factorization.

22064404222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979193 (or 12979183 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 22064404222144 its reverse (44122240446022), we get a palindrome (66186644668166).

The spelling of 22064404222144 in words is "twenty-two trillion, sixty-four billion, four hundred four million, two hundred twenty-two thousand, one hundred forty-four".