22697040447 has 6 divisors (see below), whose sum is σ = 32784613992. Its totient is φ = 15131360292.

The previous prime is 22697040437. The next prime is 22697040451. The reversal of 22697040447 is 74404079622.

It is a de Polignac number, because none of the positive numbers 2^k-22697040447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22697040427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1260946683 + ... + 1260946700.

It is an arithmetic number, because the mean of its divisors is an integer number (5464102332).

Almost surely, 2^22697040447 is an apocalyptic number.

22697040447 is a deficient number, since it is larger than the sum of its proper divisors (10087573545).

22697040447 is a wasteful number, since it uses less digits than its factorization.

22697040447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521893389 (or 2521893386 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 22697040447 in words is "twenty-two billion, six hundred ninety-seven million, forty thousand, four hundred forty-seven".