22244691334447 has 4 divisors (see below), whose sum is σ = 22258620385096. Its totient is φ = 22230762283800.

The previous prime is 22244691334427. The next prime is 22244691334499. The reversal of 22244691334447 is 74443319644222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22244691334447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244691334427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6964522929 + ... + 6964526122.

It is an arithmetic number, because the mean of its divisors is an integer number (5564655096274).

Almost surely, 2^{22244691334447} is an apocalyptic number.

22244691334447 is a deficient number, since it is larger than the sum of its proper divisors (13929050649).

22244691334447 is a wasteful number, since it uses less digits than its factorization.

22244691334447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13929050648.

The product of its digits is 27869184, while the sum is 55.

The spelling of 22244691334447 in words is "twenty-two trillion, two hundred forty-four billion, six hundred ninety-one million, three hundred thirty-four thousand, four hundred forty-seven".