22717075949566 has 4 divisors (see below), whose sum is σ = 34075613924352. Its totient is φ = 11358537974782.

The previous prime is 22717075949551. The next prime is 22717075949587. The reversal of 22717075949566 is 66594957071722.

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

It is a junction number, because it is equal to n+sod(n) for n = 22717075949495 and 22717075949504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5679268987390 + ... + 5679268987393.

It is an arithmetic number, because the mean of its divisors is an integer number (8518903481088).

Almost surely, 2^{22717075949566} is an apocalyptic number.

22717075949566 is a deficient number, since it is larger than the sum of its proper divisors (11358537974786).

22717075949566 is a wasteful number, since it uses less digits than its factorization.

22717075949566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11358537974785.

The product of its (nonzero) digits is 400075200, while the sum is 70.

The spelling of 22717075949566 in words is "twenty-two trillion, seven hundred seventeen billion, seventy-five million, nine hundred forty-nine thousand, five hundred sixty-six".